SWABI/TANK, Jan 22: Two improvised explosive device blasts on Tuesday ripped through two buses of a private school in Chota Lahor tehsil here.

However, no damage to human life was reported as the buses had no one on them at the time of the blasts.

Police said two IEDs were planted inside the buses, which were parked by drivers outside Quaid International Model School on Swabi-Jahangira Road after dropping students at the educational institution.

Mazhar Khan, owner and principal of the school, said bombs went off one after another creating panic among students and teachers inside the school. He said at the time of the explosions, drivers of the two buses were sitting in another bus waiting for the closing time of the school.

The owner said the administration had received threats over the telephone from militants of Miramshah in North Waziristan Agency that the school would be targeted by them.

He said it was the fourth time that different branches of the school were targeted by militants.

According to him, the first incident occurred on Sept 13 last year followed by a bomb attack a month. The school’s branch in Panjpir area was targeted on Nov 3 last year.

Chota Lahor city police registered an FIR against unidentified militants at the complaint of the school’s owner.

When contacted, Abdul Rashid, superintendent of police, said police had begun an operation to arrest the culprits.

He said security had been heightened across the district to counter terrorism.

Also in the day, the SP transferred SHO Ayaz from Kalo Khan police station to Chota Lahor police station and SHO Taj Malook from Topi police station to Kalo Khan police station, while ASI Nayaz Gul Khan had been given the additional charge of SHO until further orders.

In Takwari Khula area of Tank, two former peace committee volunteers were found dead on Tuesday. Police identified the two as Haqi Jan and his friend Din Mohammad.

Mr Haqi’s uncle Mirza Ali told police that his nephew left house in Shah Noor Kallay area along with friend Din Mohammad Bittni of Wardaki early in the morning for work and that he was informed by locals at around 10am about their bodies lying by Kari Haider Road near Takwari Khula area.

He said the two had no enmity with anyone.

Police registered an FIR against unidentified killers and began investigation.

However, no arrest could be made by night.