A suicide car bombing on Thursday rocked Gardez city in southeast Afghanistan.
Spokesman for the country's Interior Ministry Tariq Aryan said in a statement the attack took place near the military courts in Gardez city, the capital of southeastern Paktia province located at a distance of 128 kilometers (79.5 miles) from the country's capital Kabul.
He said scores of civilians were killed in the blast at this spot frequented by many locals.
"This attack is carried out by the Haqqani network and Lashkar-e-Taiba. The attack is in connection with the string of attacks in Kabul's Dasht-e-Barchi and Nangarhar," he said.
There was no immediate claim of responsibility for the attack .