U.S. probes possible international terrorism link with Texas shootings

WASHINGTON (Reuters) - U.S. authorities are investigating possible links between gunmen shot dead by police at an anti-Muslim event near Dallas and international terrorist groups, a U.S. government source said on Monday. The source said the FBI and other U.S. agencies believed the incident on Sunday could have been instigated or directed by foreign-based militants such as Islamic State, which operates mainly in Syria and parts of Iraq. (Reporting by Mark Hosenball; Editing by David Storey and Susan Heavey)