Security forces have surrounded the area around an airfield at a US base in the eastern Afghan city of Jalalabad following explosions and gunfire.
The US-led NATO coalition confirmed "multiple explosions" in a statement.
We can confirm there have been multiple explosions in the vicinity of the Jalalabad airfield. Currently, ISAF officials are on the scene gathering facts.
More top news
Celtic's Aleksandar Tonev has been suspended for seven matches for using "offensive, insulting and abusive language of a racist nature".
People are being encouraged to post pictures of themselves sleeping in "weird" places in a bid to raise money to tackle homelessness.
A British military ship carrying supplies and off road vehicles has arrived in Ebola-hit Sierra Leone