ISTANBUL: The Palestinian resistance group Hamas announced early Wednesday that its political bureau chief Ismail Haniyeh was killed in an Israeli airstrike targeting his residence in the Iranian capital Tehran. "Hamas mourns to our great Palestinian people, to the Arab and Islamic nations, and to all the free people of the world, the martyr, the Mujahid Ismail Haniyeh, the head of the movement, who was killed in a treacherous Zionist raid on his residence in Tehran after participating in the inauguration ceremony of the new Iranian president," the Palestinian group said in a statement on Telegram. Iranian state television also reported Haniyeh's death, noting that an investigation into the assassination is ongoing and that the results will be announced soon. No immediate announcement has been made by Israel on the incident. Source: Philippines News Agency