Law enforcement officials continue their investigation around a vehicle at the scene of Wednesday's attack
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San Bernardino shooting: Suspects 'may have been radicalised'

A married couple who conducted a mass shooting in San Bernardino, California on Wednesday may have been radicalised, the FBI has claimed.

The agency is treating the attack in which 14 people died as an act of terrorism. Both Tashfeen Malik and her husband Syed Rizwan Farook were killed in a shootout with police.

Earlier, the media was allowed inside the house the couple rented.

North America editor Jon Sopel reports.

  • 04 Dec 2015
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