More than a dozen people have been killed in attacks carried out by militants in Pakistan and Afghanistan, officials say.
A roadside bomb claimed the lives of at least three soldiers in northwestern Pakistan on Sunday.
A senior Pakistani security official, whose name was not mentioned in news reports, said the bombing took place in the village of Ghulam Khan in North Waziristan, which borders Afghanistan. "Three soldiers were martyred in an IED (Improvised Explosive Device) blast in Ghulam Khan." The soldiers were searching for bombs to clear the area for the passage of a convoy. Local intelligence officials also confirmed the deadly incident and casualties.
No group has claimed responsibility for the attack, but it had the hallmarks of the Taliban militants who are operating across the violence-hit region.
A curfew has been imposed in the area as security forces search for the militants who planted the bomb.
Despite frequent offensives by the Pakistani army, acts of terror by militants continue to target security forces as well as civilians.
In Afghanistan, a member of the council of Helmand province said a roadside bomb on Sunday had killed seven civilians and injured three others. The deadly incident was also confirmed by Omar Zwak, a spokesman for the provincial governor.