ANKARA, April 1 (Xinhua) -- A Turkish Airlines (THY) passenger plane flying from Istanbul to Lisbon Wednesday returned to Turkey over a bomb alert, private Dogan News Agency reported.
The passenger plane returned to Istanbul Ataturk Airport after the bomb threat, according to the report.
On Monday, another THY plane traveling from Istanbul to Sao Paolo made an emergency landing in Casablanca international airport over a bomb scare. The plane continued its route after security check declared clear.