A bomb threat that turned out to be a hoax forced a passenger plane en route from Warsaw to Egypt to make an emergency landing in Bulgaria on Thursday, the operator of the aircraft said.<br />The Airbus A320 landed just before dawn in the Black Sea city of Burgas, where authorities said all 161 passengers and crew were evacuated safely.<br />"A passenger informed the cabin crew about the explosive he might be carrying," Small Planet Airlines, which operated the flight, said in a statement. "<br />(He) ... later admitted it was a joke."<br />Police were questioning the man, a 67-year-old Polish citizen, the carrier said.
