Islamabad, Apr 28 (IANS): At least three security personnel were killed and two others injured in a bomb blast in Pakistan's northwest district of North Waziristan, local media reported.

The explosion hit a check-post located in Raghzai area of Tehsil Shewa in North Waziristan, a district of the country's northwest Khyber Pakhtunkhwa province bordering Afghanistan, Xinhua reported on Sunday, citing a local Urdu TV channel ARY News.

The security personnel came under the attack on Saturday when they reached the post to perform their duties.

Local media quoting officials said that an improvised explosives device was planted near the check-post and it was detonated with a remote-control device.

Security forces and rescue teams rushed to the site, shifted the bodies and injured to a nearby hospital.

Security forces cordoned off the whole area and launched a search operation in the surrounding areas to arrest the perpetrators.

No group claimed the attack yet.