(Beaverton, OR)  --  A man who's accused of attacking and seriously injuring his estranged wife is the subject of a manhunt.  Police say 45-year-old Alejandro Cazarez-Lopez of Hillsboro hit his wife with a hard object on the head and body.  Police say the attack took place around six a.m. yesterday in a parking lot on Southwest Gingham Lane in Beaverton.  Cazarez-Lopez is reported to have left the scene in a red Ford F-150 pickup truck with Oregon license 724BCD.