BANNU: At least three explosions took place on Wednesday in Khyber Pakhtunkhwa's Bannu, Jamrud and Peshawar areas injuring two policemen and as many Khasadar force personnel.

Two members of the Khasadar force were injured in an explosion that occurred near a security checkpost in Takhta Beg area of Khyber tribal region's Jamrud Tehsil.

Political administration official Ghyas said that unknown persons had planted an explosive device near the Takhta Beg checkpoint in Jamrud which exploded on Wednesday morning with a huge bang.

He added that two personnel of the Khasadar force were injured in the blast and shifted to Hayatabad Medical Complex in Peshawar.

Fear and panic gripped the area after the blast whereas a contingent of security men reached the site and cordoned off the area as a search operation went underway in the area.

In another incident, two policemen were injured when militants attacked a police checkpost in Bannu.

According to sources, militants fired 12 rockets at the police checkpost in the northwestern district of Bannu, in Khyber Pakhtunkhwa province. Police retaliated and managed to repulse the attack.

Two police personnel, however, sustained injuries.

At least, 20 police personnel were present at the checkpost at the time of the attack.

The northwestern town of Bannu, which stands at the gateway to the semi-autonomous Waziristan tribal region, is 150 kilometres southwest of Peshawar, the capital of KP.

The town has witnessed a number of attacks and was the scene of a massive jail break in April 2012 during which 384 prisoners escaped from its central prison.

Moreover, an explosion took place near Achini Bala area on Peshawar's Ring Road. There were no casualties in the blast.

A security forces convoy was travelling on Peshawar's Ring Road when a roadside planted bomb detonated in Achini Bala area.

Security and rescue teams reached the site of incident.

The area was sealed by security personnel who conducted a search operation as a probe into the incident went underway.

— Zahir Shah Sherazi contributed to the reporting of this story