Texas synagogue gunman had previously been investigated 

Police process the scene in front of the Congregation Beth Israel synagogue in Colleyville, Texaswhere Malik Faisal Akram was shot dead by the FBI (Brandon Wade/AP)

A British gunman who took hostages at a Texas synagogue was previously investigated by MI5.

Malik Faisal Akram was shot dead when the FBI stormed Congregation Beth Israel synagogue in Colleyville on Saturday night.