The Kremlin says President Vladimir Putin has signed a decree suspending Russia’s participation in a key Cold War-era nuclear arms-control agreement with the United States.

There is a flash of light in the dark town as an airstrike hits an Islamic State weapons depot. A few seconds later, a ball of flame engulfs the entire neighbourhood. The sonic boom sends shockwaves through Baghuz, shaking the ground miles away, and for a second everything and everyone …

Ten members of Islamic State were summarily executed in Syria’s Idlib province on Saturday by Tahrir al-Sham, according to Ebaa News Agency, a news outlet that supports the rival jihadist alliance.