Rabbi Charlie Citron-Walker talks to reporters outside of Whites Chapel United Methodist Church following a special service on January 17, in Southlake, Texas.
Mandatory Credit:	Emil Lippe/Getty Images

Rabbi Charlie Citron-Walker talks to reporters outside of Whites Chapel United Methodist Church following a special service on January 17, in Southlake, Texas.
Mandatory Credit: Emil Lippe/Getty Images

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Gunman in Texas synagogue standoff was known to UK security services, official says

The British national killed by the FBI after taking four people hostage at a Texas synagogue Saturday was known to UK security services and had been the subject of a brief investigation in 2020, a UK official told CNN.