Sixth person held over Tube attack

British police have arrested a 17-year-old male in south London in connection with last Friday's terrorist attack on a Tube train.

The teenager was detained after officers executed a warrant in Thornton Heath at just after midnight on Thursday, reports the BBC.

It takes the total number of arrests in the investigation to six, all of whom remain in custody at a south London police station.

A homemade bomb partially exploded on a packed train at Parsons Green, injuring 30 people.

Police have begun a search of the property where the teenager was arrested under anti-terrorist laws.

Commander Dean Haydon, head of Scotland Yard's Counter Terrorism Command, said: "This continues to be a fast-moving investigation."

"A significant amount of activity has taken place since the attack on Friday.

"We now have six males in custody and searches are continuing at five addresses.

"Detectives are carrying out extensive inquiries to determine the full facts behind the attack."