Sky News: 'Scores' hurt in Nairobi hotel.
Witnesses have reported an explosion and heavy gunfire at a hotel complex in the Kenyan capital Nairobi.More at: U.S. News.
The suspected terror attack is unfolding at the complex, which houses a large hotel known as DusitD2, along with several banks and offices.
Police are said to be exchanging gunfire with the attackers in the operation.
The Independent: "We are under attack."
Somali Islamist militant group claims responsibility, spokesman says.