There has been a large explosion during the morning rush hour in the Afghan capital, Kabul.
A suicide bomber has rammed a car full of explosive into the gates of the Indian embassy in the Afghan capital, Kabul, police say.
Local police told the BBC the blast was a suicide bombing near the Indian embassy, opposite the country's interior ministry in the city centre.
Initial reports say seven people were killed as the bomb hit people queuing for visas. This has not been confirmed.
Initial reports say seven people may have been killed and many more injured, although this has not been confirmed.
The Indian embassy is opposite the country's interior ministry.
There has been a sharp increase in Afghan violence in recent months, though mainly in the south and east.
There has been a sharp increase in Afghan violence in recent months, mainly in the south and east, although the capital has been relatively quiet.
Smoke was seen rising from the scene of the blast as police cordoned off the area. Ambulances were carrying away wounded from the scene.
Smoke was seen rising from the scene of the blast as police cordoned off the area. Ambulances were carrying away wounded from the scene.
Witnesses said the bomber appeared to have targeted people queuing for visas.
"I couldn't feel anything," Abdul Raziq, who was distributing newspapers at the time, told the BBC.
"I saw glass falling down from buildings, before the area was crowded with ambulances, police and forces of the International Security Assistance Force (Isaf)", Mr Raziq said.
"The Kabul ambulance services alone evacuated seven dead and 19 wounded, but this is not the final figure," health ministry spokesman Abdullah Fahim told the AFP news agency.
"We don't have the total number of casualties at this stage," Mr Fahim said.
The BBC's Martin Patience in Kabul says there has been no claim of responsibility yet but the Taleban have vowed to step up attacks in the capital.
The BBC's Martin Patience in Kabul says there has been no claim of responsibility yet but the Taleban have vowed to step up attacks in the capital.
Kabul has been relatively quiet in the past few months.
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