Security Alert Issued to Mass Transit

WASHINGTON - U.S. mass transit systems should remain alert against possible terror attacks, the Homeland Security Department said in a new warning that highlighted suspicious activity at unnamed European subway stations last fall.

Homeland Security spokesman Russ Knocke said Wednesday there is no specific or credible intelligence to indicate U.S. transit systems are being targeted, and he described the notice, sent Tuesday, as a routine reminder for transit authority operators, state security advisers and police to remain on guard.

http://news.yahoo.com/s/ap/20060504/ap_on_go_ca_st_pe/transit_warning_9