<p>A National Directorate of Security (NDS) training center in Kabul was attacked by gunmen on December 17, according to TOLO News</a>, with a number of explosions also reported at the scene.</p><p>Islamic State claimed responsibility for the attack, AFP reported</a>.</p><p>Three attackers were killed in clashes with security forces, according to Radio Free Europe</a>, and there were no reports of casualties among security forces or civilians at the time of writing.</p><p>This footage shows security forces at the scene. Credit: Radio Free Europe/Radio Liberty via Storyful</p><br />