Kabul: A huge blast was heard in the Afghan capital Saturday as a US military chief arrived for meetings to explain the sacking of the US commander of foreign forces in the country, witnesses told.
The blast took place in the centre of the city, at 9.55 am (0525 GMT), the witnesses said.
A spokesman for the interior ministry, Zemarai Bashery, said he had heard the blast.
It seemed to have taken place near the foreign ministry, he said.
Recent reports say that an Afghan Army driver was killed in the explosion which was an accident according to the ISAF -International Security Assistance Force.
The blast happened as US Admiral Mike Mullen, chairman of the US Joint Chiefs of Staff, arrived in Kabul late Friday on a mission to reassure Afghan leaders following the sacking of the top commander in Kabul.
Mullen was set to meet Afghan President Hamid Karzai, the presidential office confirmed, after US General Stanley McChrystal was sacked for insubordination.
During his one-day visit, Mullen was also set to meet US and NATO officials, the US embassy said.