PESHAWAR: At least one security official was killed and two others sustained injuries on Saturday in an improvised explosive device (IED) blast in Mohmand agency.

"The security forces' convoy was on a routine patrol when their vehicles were hit by an IED blast," a security officials told Dawn.com.

The incident occurred in Toran Dara area of Safi tehsil of Mohmand agency, and also injured two other security officials.

The injured soldiers were shifted to Combined Military Hospital (CMH) Peshawar for medical treatment.

According to a September 18 Dawn newspaper report, the vehicle of a Frontier Corps (FC) major too came under an IED attack but escaped unhurt in Pandyali tehsil of Mohmand Agency.

Military operation Zarb-i-Azb was launched by the Pakistan Army on June 15 following a brazen militant attack on Karachi's international airport and failure of peace talks between the government and Tehreek-i-Taliban Pakistan (TTP) negotiators.

Zarb-i-Azb's final phase is under way in North Waziristan.

Also Read: Most areas of Mohmand cleared of militants