At least seven persons were killed and eight injured in separate incidents in Afghanistan on Saturday, police officials said.
In one incident, three children were killed and six persons were injured after an Improvised Explosive Device (IED) struck a vehicle in Kandahar province, Xinhua news agency reported.
"The struck vehicle was carrying nine persons. It touched off the IED along a road between Arghistan and Spin Boldak districts. The injured, including three females, were shifted to a nearby hospital by the security forces," an official said.
Three policemen were killed in a drive-by shooting at a security checkpoint near Gardez in Paktia province.
The attackers fled the scene after the attack, an official said.
In Kunduz province, Nemat Ullah, a Taliban IED expert, was killed and two others wounded after an IED he was making detonated accidentally in a house in Dasht-e-Arch district of the province, the official added.
Security forces defused an IED and detained one militant after he tried to attack a target in Kabul.
About 600 civilians were killed and more than 1,340 injured in conflict-related violence and Taliban-led attacks in the first quarter of the year, according to the UN mission in the Asian country.