A bomb blast near the Afghan capital, Kabul, has killed at least 12 American soldiers, US officials say.
Two separate bomb blasts near Kabul airport have killed at least 60 people, including children and US troops, and injured 140 others.
The Pentagon press secretary also confirmed the blast outside Kabul airport, according to a foreign news agency report.
According to Arab media, the blast killed 60 people, including children and US soldiers, and injured 140 others
According to media reports, gunfire was also heard inside the airport, while the Taliban tightened security around the airport after the blast.
Afghan media say the target of the blast was people gathered outside Kabul airport.
Earlier, a Pentagon spokesman said the death toll from the blast at Kabul airport was not immediately clear.