KABUL, July 20 -- Afghan President Ashraf Ghani has met the visiting U.S. Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey, said an official statement here on Monday.

The two sides discussed enhancement of the U.S.-Afghan bilateral ties and the U.S. support for the Afghan security sector during the visit which took place in Arg, the country's Presidential Palace on Sunday afternoon, the brief statement said.

The Afghan leader and the U.S. general termed terrorism and extremism as a threat to stability of the region and the world, and stressed on continuation of the efforts to fight the menace.

Dempsey reassured his country's enduring support to Afghanistan during the meeting, the statement added.