 "London tube attack, bucket bomb attack, London terror attack, terror attack")
Britain on Sunday lowered its terrorism threat level, a day after the police arrested a second man in connection with the bombing in a London subway station that left dozens of people injured.
The man, 21, was arrested late Saturday in Hounslow, a borough in West London, the Metropolitan Police said in a statement. The suspect, who was not identified, was detained under the Terrorism Act and was being held at a police station in South London, according to the statement.
The second arrest came the same day the police detained an 18-year-old man “on suspicion of being concerned in the commission,
