Ryanair flight had to be diverted and made an emergency landing tonight after a note was found claiming there were explosives on board.The plane was heading from Krakow in Poland to Dublin when the sinister discovery was made.The captain of flight FR1902 sent out a distress call and it was diverted to London's Stansted Airport with RAF jets scrambled to escort it.After it landed armed police surrounded the plane and passengers were evacuated into a secure part of the airport reports Mirror