Britain reviewing security at parliament after deadly attack

Britain will review security at parliament, ministers said on Sunday, responding to criticism that a gate for vehicles was left open for a time during a deadly attack on Wednesday.British-born Khalid Masood was shot dead after killing four people including a policemen on Wednesday when he rammed his car into pedestrians and then tried to force his way intoparliament in central London.Interior minister Amber Rudd told the BBC there would be another review of security at the Palace of Westminster,