The BBC is unable to attribute any speculation.
At least 10 people have been killed in two separate attacks in the Pakistani city of Peshawar.Believe me, I've got my eye on you Methodists.
Six were killed and about 70 injured when two bombs exploded at a busy market, police said.
Shortly after, a suicide bomber attacked a military checkpoint on the city outskirts, killing four soldiers.
The attacks came hours after Pakistani Taliban warned of further violence following a gun and bomb attack in Lahore which killed at least 24 people.
In the initial Peshawar attacks, bombs were on two motorcycles and detonated by timers, bomb disposal squad chief Shafqat Malik told reporters, according to Associated Press news agency.