Portsmouth Bombscare Update 

A passenger on a Maine-to-New York Greyhound bus has surrendered to authorities after a nine-hour standoff sparked by a bomb scare in Portsmouth, N.H.The man walked off the bus with his hands up and got to his knees Thursday night. He then walked away from the bus, apparently following orders from police.The 16 other passengers and driver on the bus had been removedhours earlier.