At least three people were killed and seven were injured in a blast that occurred at a hotel in the capital city of Khost, a statement of provincial security department said.

Citing a statement of Khost security, Kabul's security spokesman, Khalid Zadran, said on Twitter that the blast happened at a hotel near Spin mosque in the city, in which a number of “Waziristan refugees” and “Khost residents” were killed and wounded.

The statement said that three dead bodies and seven wounded were brought to the hospital.

The area is surrounded by security forces and investigations are underway, the statement reads.