A Chinese aviation industry news website says a man has been arrested for allegedly making fake bomb threats against several domestic flights bound for Shanghai.

It's the second time in a week that Chinese flights have been threatened with fake bomb threats. A man is in police custody for allegedly making such calls Wednesday.

China Aviation Resources Net said Saturday that a man surnamed Ji and from the eastern city of Yancheng admitted to making the prank calls Friday afternoon, grounding several flights departing from cities including Beijing, Guangzhou, Chongqing and Shenzhen.

The official Xinhua News Agency says the Chongqing bomb threat delayed all outbound flights and forced inbound flights to return on Friday evening.

Yancheng police confirmed the arrest Saturday but declined to provide further details.

A U.N. expert panel's report says North Korea is still trying to import and export nuclear and ballistic missile-related material but financial and trade sanctions are slowing progress on their prohibited weapons programs.

Key parts of the report, obtained Friday by the Associated Press, provide further information on North Korea's attempts to evade four rounds of increasingly tough U.N. sanctions aimed at reining in its development of nuclear weapons and the ballistic missiles to deliver them.

While the imposition of sanctions has not halted these programs, the panel said, "it has in all likelihood considerably delayed the (North's) timetable and ... choked off significant funding."

The report to the U.N. Security Council committee monitoring sanctions against North Korea recommends imposing sanctions on four North Korean companies and 11 individuals.

Egyptian security forces have fired tear gas at protesters hurling firebombs at them in central Cairo, hours after hundreds of opponents of Egypt's President Mohammed Morsi rallied peacefully in the streets denouncing his rule and demanding early presidential elections.

The Friday protests witnessed low turnout but come on the heels of a campaign dubbed "Rebel," which aims at collecting 15 million signatures on a petition to oust Morsi and hold early elections. Coordinators said they have collected 2 million signatures.

The demonstrators earlier marched through Cairo before converging on Tahrir Square, chanting: "Down with the rule of the Guide," in reference to the leader of Morsi's Muslim Brotherhood.

Morsi's opponents say he only serves the interest of the Brotherhood. The group says it has won legitimacy through the ballot box.

Tunisia's Interior Ministry on Friday banned a conference by the North African country's most prominent ultraconservative Islamic group, setting up the possibility of a confrontation over the weekend.

The ministry statement, which appeared on their Facebook site, said Ansar al-Shariah's annual conference to be held in Tunisia's holy city of Kairouan was not in compliance with the laws governing assembly and was a threat to public order.

Part of the ultraconservative salafi Muslim trend that gained popularity following the overthrow of Tunisia's secular dictatorship in 2011, Ansar al-Shariah calls for the strict application of Islamic law.

The group's leader, Seifallah Ben Hassine, is wanted in connection with an attack by a mob on the U.S. Embassy in Tunisia last September. Salafi groups have also been accused of attacking cinemas, art galleries and police stations.

The ministry statement said that the right to assembly was protected in the country, but only in the framework of the existing laws.

"Those who attack the state and its institutions, attempt to foment anarchy, threaten stability, or incite violence and hate must take full responsibility," the ministry statement said.

The decision, taken even as followers of Ansar al-Shariah have been arriving in Kairouan, sets up a confrontation between the government, which is led by the moderate Islamist Ennahda Party and Ansar al-Shariah.

The group's spokesman, Seifeddine Rais, warned the state in a news conference Thursday against police intervention against the conference.

"If the government tries to stop the Kairouan congress, it will bear full responsibility for any blood spilled," he said in a mosque where the conference was held. "The greater the pressure put on us, the greater the risk of an explosion."

He added that the group had not applied for a permit to hold their conference, which last year featured martial arts contests and displays of horsemanship, because "when we preach the words of God we do not need authorization."

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Bombs struck Sunni areas in Baghdad and surrounding areas Friday, killing at least 76 people in the deadliest day in Iraq in more than eight months, officials said, as a spike in violence has raised fears the country could be on the path to a new round of sectarian bloodshed.

The attacks in Baghdad and surrounding areas pushed the three-day Iraqi death toll to 130, including Shiites at bus stops and outdoor markets in scenes reminiscent of the retaliatory attacks between the Islamic sects that pushed the country to the brink of civil war in 2006-2007.

Tensions have been intensifying since Sunnis began protesting what they say is mistreatment at the hands of the Shiite-led government, including random detentions and neglect. The protests, which began in December, have largely been peaceful, but the number of attacks rose sharply after a deadly security crackdown on a Sunni protest camp in the country's north on April 23.

Majority Shiites control the levers of power in post-Saddam Hussein Iraq. Wishing to rebuild the nation rather than revert to open warfare, they have largely restrained their militias over the past five years or so as Sunni extremist groups such as al Qaeda have targeted them with occasional large-scale attacks. An increase attacks against Sunni mosques has fed concerns about a return to retaliatory warfare.

The deadliest blast on Friday struck worshippers as they were leaving the main Sunni mosque in Baqouba, a former Sunni insurgent stronghold 35 miles northeast of Baghdad. Another explosion went off shortly afterward as people gathered to help the wounded, leaving at least 41 dead and 56 wounded, according to police and hospital officials. Bloodied bodies were strewn across the road outside the mosque.

Grocery store owner Hassan Alwan was among the worshippers who attended the Friday prayer in the al-Sariya mosque. He said he was getting ready to leave after Friday prayers when he heard the explosion, followed a few minutes later by another.

"We rushed into the street and saw people who were killed and wounded, and other worshippers asking for help," he said. "I do not where the country is headed amid these attacks against both Sunnis and Shiites in Iraq."

Baqouba was the site of some of the fiercest fighting between U.S. forces and al Qaeda in Iraq and other Sunni insurgents during the war.

Later Friday, a roadside bomb exploded during a Sunni funeral procession in Madain, about 12 miles south of Baghdad, killing eight mourners and wounding 11, police said. Two medical officials confirmed the casualties.

Another explosion struck a cafe in Fallujah, 40 miles west of Baghdad, killing two people and wounding nine, according to police and hospital officials.

In Baghdad, a bomb exploded near a shopping center during evening rush hour in the mainly Sunni neighborhood of Amariyah, killing 21 people and wounding 32. That was followed by another bomb in a commercial district in Dora, another Sunni neighborhood, which killed four people and wounded 22, according to officials.

All officials spoke on condition of anonymity because they are not authorized to brief reporters.

Iraqis have grown used to a cycle of high-profile bombings

It was the deadliest day since Sept. 9 when 92 people were killed, according to an Associated Press tally.

The attacks on Sunnis came after two days of car bombs targeting Shiite areas in Baghdad and other attacks that left 21 people dead on Thursday and 33 on Wednesday.

The violence was the latest to hit a Sunni Muslim house of worship, a trend that has been on the rise. About 30 Sunni mosques have been attacked between mid-April to mid-May, killing more than 100 Sunni worshippers.

Meanwhile, hundreds of Iraqis attended the Friday funeral in a southern city of two Shiite fighters killed in Syria. Several such funerals have been held in recent months, the latest sign that that conflict has taken on a sectarian regional dimension.

In oil-rich Basra, mourners carried the coffin of Mohammed Aboud, whom they say was killed by sniper fire near the shrine of Sayida Zeinab outside the Syrian capital Damascus five days earlier.

They said Aboud went to Iran two months ago before flying to Syria in order to join a group of fighters protecting that country's Shiite shrines against attacks launched by the rebel Free Syrian Army.

For months, Iraqi Shiite fighters have trickled into Syria, where mostly Sunni rebels are fighting a regime dominated by a Shiite offshoot sect. Their relatives say the fighters are drawn by a sense of religious duty to protect the Sayida Zeinab shrine, which marks what is believed to be the grave of the granddaughter of the Prophet Muhammad. Iraq remains officially neutral in the Syrian conflict.