Police arrest two more over British parliament attack

Floral tributes are seen placed near the scene of an attack in Westminster, in London, Britain March 24, 2017. REUTERS/Darren Staples

LONDON (Reuters) - British police said they had made two further significant arrests in the investigation into the attack on London's parliament and gave the birth name of the man behind the assault as Adrian Russell Ajao.

Britain's top anti-terrorism officer Mark Rowley said police had nine people in custody after the attack on Wednesday which killed five people including the assailant.

Police had said the man behind the attack was British-born Muslim covert Khalid Masood and that they were trying to establish if others had directed him.

(Reporting by Kate Holton; editing by Guy Faulconbridge)