The first blast came during rush hour in Toori bazaar, where people were buying food for iftar.
Earlier in the day, at least 11 people were killed, including four policemen and 20 others were injured in an explosion in Pakistan's restive Balochistan province on Friday, news agency PTI reported.
The second blast happened a few minutes after people gathered at the first blast site for rescue, local media quoted eyewitnesses as saying.
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Quetta, Pakistan, June 23 (IBNS): At least five people were killed and 12 injured in a vehicle bomb explosion near Shohada Square in north-west Pakistan's Quetta city on Friday morning, Radio Pakistan said.
Two different militant groups have claimed responsibility for the blast.
The nature of the explosions was not immediately clear. Security forces have cordoned off the area and are conducting a search operation.
According to the ISPR, two army aviation helicopters have been taken off from Peshawar to Parachinar for speedy evacuation of the injured.
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"Rescue operation in progress", it added.
On March 31 this year, the city had suffered a similar tragedy when 23 people were killed in a auto bomb blast near an Imambargah at midday.
Emergency has been imposed across all hospitals in Parachinar to cope with the alarming situation.
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