Blast in Lahore Federal office kills 20
A blast went off in the Federal Investigation Agency office in Lahore killing at least 20 people and injuring several.
Latest reports suggest that number of casualties could go up as the building has been completely destroyed.
There is still confusion over the nature of the attack - whether its a bomb or a suicide attack.
Over 100 employees were in the building at the time of the blast, which also triggered fires in vehicles in the parking lot.