The man who held four people hostage at a Texas synagogue was identified by US authorities as a British citizen Sunday, while UK police later arrested two teenagers over an attack that the US President called an "act of terror."

Iran PressAmerica: The man who held four people hostage at a Texas synagogue was identified by US authorities as a British citizen Sunday while UK police later arrested two teens over an attack that US President Joe Biden called an "act of terror."

The captor, who died in the 10-hour siege in the small town of Colleyville on Saturday, was named by the FBI as 44-year-old Malik Faisal Akram.

Hours later, Britain's counter-terrorism police arrested two people and were questioning them in connection with the incident.

"Two teenagers were detained in South Manchester this evening. They remain in custody," the Greater Manchester Police said in a statement. 

The FBI's field office in Dallas had earlier said there was "no indication" that anyone else was involved in the attack on the Congregation Beth Israel synagogue.

The four hostages -- including a local rabbi, Charlie Cytron-Walker -- were all freed unharmed Saturday night, prompting relief in the United States, where the Jewish community and Biden renewed calls to fight anti-Semitism.

A man identifying himself as Akram's brother Gulbar said in a Facebook post that the suspect had suffered from mental health problems.

Joe Biden declined to speculate on the motive but appeared to confirm reports that the hostage-taker was seeking the release of convicted terrorist Aafia Siddiqui, a Pakistani neuroscientist known as "Lady Al-Qaeda."

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