Ключевые слова: alert, boat, bow, british, canal, counter terrorism, current, defense, enforcement, law, law enforcement, london, maritime, meassure, metropolitan, metropolitan police, officers, order, patrol, patroling, police, police boat, police force, police patrol, policing, rescue, response, river, river boat, river patrol, river thames, safety, sailing, security, security system, ship, thames, threat, uk, vessel, wake, water, waterways, wave,