The British Police arrested a second man in connection with the bombing on a London Underground train that wounded 30 people. The UK Home Secretary said, the new arrest suggests the attacker was not a lone wolf.<br/><br/>Scotland Yard's Counter-Terrorism Command investigating the Friday attack claimed by the Islamic State group arrested the 21-year-old from Hounslow in west London late last night. Earlier yesterday, an 18-year-old man was arrested in the port area of Dover. None of the suspects have been named.<br/><br/>Both suspects were being held under the UK's Terrorism Act and being questioned at a south London police station.<br/>