UPDATE 2 – 4 soldiers martyred in helicopter crash in Istanbul

UPDATES WITH MORE DETAILS, HEADLINE, DECK</p> <p>By Sefa Mutlu</p> <p>ISTANBUL (AA) – At least four soldiers were martyred when a military helicopter crashed on Monday during emergency landing in Istanbul, the provincial governor said.</p> <p>Ali Yerlikaya told reporters that the helicopter crashed near a residential area in Cekmekoy district at 6.51 p.m. local time (1551GMT).</p> <p>The cause of the crash remains unknown, he added.