UK attack: Attacker inspired by international terrorism, say police

The death toll in London's terror attack has risen to four and 40 others have been injured. Britain's senior counter-terrorism officer Mark Rowley on Wednesday said that the attack on Westminster Bridge appears to be inspired by 'international terrorism' but declined to reveal identity of the attacker. He added that number of police officials on-duty will be increased as a precautionary measure over next few days. One of the victim has been identified as police officer Keith Palmer.