Six security men killed in ambush in Pakistan's tribal region

ISLAMABAD, June 28 -- Six security men were killed and several

others injured Sunday when a security forces' convoy was ambushed by militants

in Pakistan's North Waziristan tribal agency, local TV channels reported.

Armed men attacked the motorcade of security personnel, killing six

security personnel in Grilmai area of North Waziristan, according to DAWN NEWS

TV channel.

Taliban have claimed responsibility of the attack.

Meanwhile, security forces pounded on the hideouts of extremists and killed

at least 16 people in South Waziristan Tribal Agency, Geo News TV channel

reported Sunday.

Security forces initiated a major offensive against militants in North West

Frontier Province late April. The ongoing operation has entered its final phase

and over 1,600 militants have been killed. The security forces are currently

engaged in an operation in Waziristan tribal areas.