police say the suspect, 51-year- old sean mcgee is now in custody. officers say they believe he robbed a wells fargo in a safeway market in antioch yesterday. witnesses say he left on a bicycle and then jumped right into a truck. officers later chased him along highway 4 with speeds reaching 100 miles per hour. they say he eventually ended up in oft oakland where he barricaded himself in an apartment and took a person hostage. the person escaped, and he was taken into custody without incident. >>> new developments in the investigation into last week's amtrak derailment in philadelphia. investigators so found a circular break at the lower left side of the train's windshield which could be the result of an object thrown or shot at the train moments before it jumped the tracks. investigators say as many as three trains in the area could have been hit by rocks or another object in a 20-minute span last tuesday night. a passenger on one of the other trains said he witnessed an object hitting a window near him. >> i was on my laptop, putting out e-mails an