A roadside bomb blast killed three US service members and wounded three others near the central Afghan city of Ghazni on Tuesday, the NATO-led Resolute Support mission said.

A suicide bomber blew himself up inside a packed mosque on an Afghan army base during Friday prayers, killing at least nine soldiers, officials said, in the latest bloody violence to rock the war-torn country.

Afghan authorities were struggling on Wednesday to identify the group behind a suicide bomb attack that killed at least 55 people at a gathering of religious scholars in Kabul after the Taliban denied any responsibility.

At least 40 people were killed in a suicide bomb attack on a meeting of top clerics in Kabul on Tuesday, officials said, in one of the deadliest attacks to strike the Afghan capital in months.

Thousands of Afghans have fled to Ghazni city to escape fighting in two Hazara-dominated districts, with some describing the violence Tuesday as the worst they had seen in the 17-year conflict.

The Taliban intensified attacks in a district heavily populated by minority Hazaras Sunday, as US envoy Zalmay Khalilzad returned to the region as part of efforts to convince the group to end the 17-year war.

The Taliban will send representatives to multilateral talks in Russia on war-torn Afghanistan this month, the militant group said Tuesday, as the international community ratchets up efforts to end the 17-year conflict.

Afghan President Ashraf Ghani will seek re-election in 2019, his office announced Saturday, as potential rivals begin jockeying for the country's top job ahead of the ballot.

A suicide bomber targeting a bus carrying employees of Afghanistan's biggest prison killed at least seven people on Wednesday, officials said, in the latest militant attack in the war-torn country.

A suicide bomber targeting the headquarters of Afghanistan's Independent Election Commission (IEC) on Monday killed at least one person and wounded six, officials said ...

At least five people were killed and 15 more wounded when a suicide bomber detonated a car packed with explosives outside a police compound in central Afghan province of Wardak ...

A foreign soldier was killed and two others wounded in an insider attack in Afghanistan on Monday, NATO said, days after a gunman wounded a US general at a high-level security meeting.