Turkey's Defence Ministry on Monday said 12 soldiers had died after being exposed to methane gas during a search operation in caves in the Kurdish region of Iraq. The ministry said the incident had ...

Turkey and the PKK have waged a 40-year conflict which has often spilled over into Iraq and Syria. Turkey has set up a series of bases in northern Iraq, where the PKK has been established for decades.

Turkey says 12 soldiers have died after exposure to methane gas during a cave search operation in northern Iraq. It did not explain the presence of the gas in the cave.