Pakistan military helicopter kills 26 security personnel on Friday in northwestern Pakistan crashed due to a technical fault

Pakistan's military says that, a transport helicopter has crashed due to technical fault, killing 26 security personnel on board.

Investigators are looking forward the incident, which occurred on Friday outside the Peshawar, the main city in the northwest.

Last Friday, Pakistani intelligence officials said that, a suspected U.S. drone fired missiles on a militant training center in the South Waziristan tribal region, killing at least 10 people.

Pakistani military forces and assumed U.S. drone strikes regularly target areas controlled by Baitullah Mehsud, a top Taliban leader and al-Qaida ally wanted by both Pakistan and the United States. But Pakistani troops are preparing for a ground offensive against Mehsud and his Taliban allies.

The stepped-up campaign in western Pakistan comes as troops also keep on to clear the greater Swat Valley region of militants allied with another Taliban faction. Pakistan's army says that troops in that area killed 13 suspected militants and arrested 24 people in the most recent operation.

In other news, the United Nations Children's Fund says that it is deeply concerned about the condition of hundreds of thousands of children who are along with the two million people who have been displaced in Pakistan by the violent behavior.

UNICEF says that nearly 50% of those people are believed to be children and many are in urgent need of health and educational services, nutritional support, access to clean water and sanitation, as well as protection.