Complex sentence: On 29 July 2015, the Afghan government publicly announced that Mohammed Omar had been killed on 23 April 2013 by his deputy Mullah Mansour by shooting him.it was later confirmed by a senior Taliban member that Omar's death was kept a secret for two years.
Split into simpler sentences: On 29 July 2015, the Afghan government publicly announced that Mohammed Omar had been killed on 23 April 2013 by his deputy Mullah Mansour by shooting him. It was later confirmed by a senior Taliban member that Omar's death was kept a secret for two years.