Police officials told the media that a bomb was planted on a motorcycle parked near a building located adjacent to the consulate in Clifton area of Karachi.
A car and two motorcycles were damaged by the blast.
There were no reports of casualties or damage within the consulate.
Rescue teams and additional security personnel rushed to the site.
Footage on television showed the area had been cordoned off by personnel of the paramilitary Pakistan Rangers.
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