CORRECTING OBJECT NAME AND INFO IN CAPTION A picture taken on November 4, 2008 shows Islamist fighters from the hard-line Shabab movement taking part in a military drill at a camp in the northern outskirts of Mogadishu. Hostilities between the transitional government and hardline islamist movements for the control of Somalia's wartorn capital, Mogadishu, seem set to continue after defying numerous attempts to pacify warring factions as internal wrangles continue to dog efforts to establish an effective government. AFP PHOTO / Mustafa ABDI

Three police officers have been killed after a vehicle they were travelling in hit a landmine today at 6am in Liboi, Garissa County.

The vehicle belongs to Kulan AP Post, which is said to be 8 kilometres away from the scene of crime and the officers were part of the heightened surveillance to secure the area, following reports that Al-Shabaab was planning attacks in the border areas.

IED kills Kenya police officers as tension escalates with Al-Shabaab

The attack comes a day after Inspector General of Police Joseph Boinnet warned that Al-Shabaab terrorists are planning to cross over into the country to launch attacks at the border areas.

Last week Suspected Al-Shabaab militants killed a chief and abducted two Kenya Police Reservists (KPR) in Omar Jillo village, Mandera County just days after killing two miners in a quarry in Elwak.

According to the IG, the militia is desperate following heightened operation by KDF in Somalia and have resorted to break into small groups and sneak in the country. Boinnet has urged the public across the country to be vigilant and report any suspicious activities to the police.