Discover Thomson Reuters
Los Angeles commuters say they're concerned after authorities warned of a threat against the city's Red Line rail system. Paul Chapman reports.
00:54
01:58
01:43
00:46
01:16
01:44
01:12
00:53
01:48
01:09
02:09
00:45
00:31
01:26
01:40
02:10
02:37
00:55
02:03
02:35