A suicide bomber said to be aged 12 has killed four people in east Afghanistan, one of several attacks a day after the Taliban announced a spring offensive.
A dozen people were injured as the suicide bomber struck a crowded market in Paktika province, killing a local official, a woman and two other men.
In Ghazni City, a gunman opened fire at a police checkpoint, killing two police officers and two civilians.
A bicycle bomb near the city's police station wounded 13 civilians.
Lethal attacks were also also reported in Logar province south of Kabul, and in Kandahar, in the south of Afghanistan.