Three brutes bashed a Manhattan newsstand owner in the head and left him “covered in blood” during an afternoon robbery where they snagged lottery tickets and cash, the vendor said. The masked men stormed inside Abul Hossain’s Upper East Side newsstand at around 2:30 p.m. and unloaded punches on the unassuming 67-year-old vendor. “I was eating my lunch when they came in and just started punching me,” Hossain told The Post. “They punched me in the head over and over. “There was no time to fight back,” he added. “I didn’t say anything to them, I just yelled ‘help, help!’”...