Witnesses said the roof of the mosque had fallen through after the "loud" explosion.
Iran sits in the middle of a major illegal narcotics route between Afghanistan and Europe.
Taliban threatens even more violence in the coming days leading up to the elections.
The Taliban threatens to attack US Troops in Afghanistan after Trump ended peace talks.
Taliban warns Washington of more harm due to Trump's cancellation of peace talks.
Bomb attacks injure more than 60 people in Jalalabad, Afghanistan on country's 100th Independence Day.
A Czech man has been sentenced to life imprisonment after murdering his Scottish girlfriend in Lapland, Finland.
The number of air strikes conducted by international and Afghan air forces "increased significantly" in 2017, the UN says, killing 295 civilians and injuring 336.
Afghan Taliban issues a rare open letter addressing Americans and "peace-loving Congressmen" to urge the White House in holding dialogue.
America's long-serving B-52 set a record for the number of guided bombs dropped from the plane in a series of strikes against the Taliban in Afghanistan
Billions set to be spent in 2018 to help train local forces as well as sending in more US troops.
Nato is considering a renewed commitment to a long-term training mission in Iraq as the US puts pressure on its European allies to help hold the country against Isis militants.
The Iranian leader alleged creating instability in war-torn Afghanistan through the Isis is necessary to justify Washington's security presence.
The Islamic State has claimed responsibility for the attack, which comes close on the heels of a deadly suicide bombing.
A heat map of fitness tracker activity has revealed sensitive and potentially dangerous information about US soldiers around the world.
Afghan authorities have raised the death toll from Saturday's suicide bombing in Kabul to 103, as hundreds of people gathered for funerals.
Taliban kill at least 95 with suicide bomb in ambulance in Kabul, capital of Afghanistan, a week after militants attacked Intercontinental Hotel and took guests hostage.
Afghan troops dropped onto a hotel roof rescue hostages from a terror attack, while other guests used bed sheets to scale down walls from windows.
Four gunmen stormed a hotel in Kabul taking several hostages. An Afghanistan security official said one of the attackers has been killed.
US Central Command expresses "serious concern" at clip posted onto YouTube of weapon being fired into driver's window.
Suicide bomber detonates himself in a crowded place in Afghan capital, killing at least 20 people and injuring several others.
In a separate incident, a bomb went off in the same Nagarhar province killing as many as 18 people.