The suspect held over the Westminster terror crash was in the capital to get a Sudanese visa, Sky News understands.
Salih Khater – a British citizen of Sudanese origin – had his papers with him and was trying to apply for a visa via the Sudanese embassy, trustee of Birmingham central mosque Nassar Mahmood said.
The 29-year-old suspect was not known as “fervent worshipper” in Birmingham, Mr Mahmood added.Police have been granted a warrant to hold Khater in custody until Monday after his arrest on suspicion of preparing an act of terror.
He has also been arrested on suspicion of attempted murder.
A Facebook page for a man of the same name as the suspect says he lives in Birmingham, works as a shop manager, and has studied at Sudan University of Science and Technology.
Police concluded their searches of two addresses in Birmingham and one in Nottingham on Wednesday morning.
They continue to search a third address in Birmingham, after a car smashed into barriers near Parliament on Tuesday morning.