Afghanistan: Suicide bomber 'aged 12' kills four

KABUL, Afghanistan - 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