London attack: UK police arrest 8 in massive pre-dawn raids

British police said Thursday that six homes were raided and eight arrests were made in connection to the Wednesday terror attack that left four dead, including the attacker and a police officer. Armed police carried out the raid in the central city of Birmingham, about 130 miles north of London; however, police said they believed the terror attacker acted alone during his assault on the Westminster Bridge near Parliament. -- More...