Reported UFO sightings in Liverpool have sparked fears that the city is on the brink of facing an alien invasion. Former policeman Steve Rafferty, 50, and his daughter Emma, saw 13 orange orbs and filmed the unexplained phenomena on a mobile phone. Another witness captured footage and radio stations were jammed with callers reporting sightings. They looked as if they were searching for somewhere to land. Liverpool could face an alien invasion, The Sun quoted one witness, as saying. [ Visit Website ]