Two passenger planes have clipped wings on the runway. This incident happened while one of the aircraft was being towed at Heathrow. Footage making the rounds on social media shows the wing of a Virgin Atlantic plane overlapping the wing of a British Airways aircraft. Emergency services are seen surrounding the area at the UK airport. Reports said that no passengers were onboard when the collision occurred. Airfield and runway collisions no longer happen often in modern times due to advances in modern ground tracking technology and safety procedures. Virgin said it was investigating the collis…