A passenger plane flying from India to Germany was forced to make an emergency landing in eastern Turkey on Friday due to a bomb threat written on toilet paper on board, state broadcaster TRT reported. The Vistara airline plane, heading from Mumbai to Frankfurt, landed in the eastern province of Erzurum, according to the airline. The 237 passengers and 14 crew members on board were evacuated, said Transport Minister Abdulkadir Uraloğlu. The city’s airspace was closed to air traffic and a state of emergency was declared, TRT reported, citing Erzurum Governor Mustafa Ciftci. He said a passenger …