While no groups have taken responsibility for the attacks, an Islamic insurgency group, Al-Shabaab, is believed to be responsible.

They fund these little insurgency groups, outfit and train 'em, then turn 'em loose, like an old coon dog.

Overtime, insurgency groups moved to more sophisticated methods of attack such as Explosively formed penetrators, and infrared lasers, which cannot be easily jammed.

This film showed an insurgency group planting bombs boasting of planning on killing American soldiers.

The insurgency groups have been known to kidnap and recruit children to work as child soldiers against the Indian Government.

Islamist insurgency group in Somalia; it means "the youth"

There is little any outside authority, including the United Nations Security Council, can do to influence an insurgency group.

Or a Vulcan who led a Romulan paramilitary insurgency group?

Commanders whose forces are under pressure from insurgency groups recruit children as soldiers, the organization says.

The movement floundered after the assassination of its leader by a Communist insurgency group on February 13, 1943, and it did not survive the war.