Al-Jazeera correspondent in Afghanistan quoted a security source as saying that suicide gunmen attacked - today, Friday - a mosque belonging to the Islamic Party led by Gulbuddin Hekmatyar, south of the Afghan capital, Kabul, and the attack resulted in deaths and injuries during the clashes between the two parties at the main entrance to the mosque.

In turn, Reuters quoted 3 party sources and a Taliban source as saying that a number of the attackers and guards were killed.

No group has claimed responsibility for the attack so far, and neither the Kabul police spokesman nor the Interior Ministry immediately responded to a request for comment from news agencies.

The past weeks and months have witnessed a series of sporadic bombings in Afghanistan, the latest of which was the end of last November, when 23 people were killed and 30 wounded in an explosion inside a school in the northern state of Samangan.

Also in early November, two people were killed and 6 wounded in a bombing that targeted a bus carrying government employees, west of the Afghan capital, Kabul.

Last October, 8 people were killed and 20 others injured in an explosion in a mosque located inside the Ministry of Interior building in the capital.

In early October, a large suicide bombing targeted an educational center west of Kabul, leaving more than 50 dead, most of them female students, in addition to about 100 injured.