The attack involved the first use of the Mark-12 mortar.

There was a 35% increase on reported attacks involving guns.

The woman's name has been withheld because the attack involved a sexual assault.

Almost all recent terrorist attacks around the world have involved conventional explosives.

Concerns have also been raised regarding attacks involving nuclear weapons.

The government program is now put into effect after an attack involving as little as $5 million in losses.

Those attacks usually involved teen-age boys, but the recent incidents involve men in their 20's.

Their final attack involves a tank being brought in and fired, which does not faze him at all.

However, the number of attacks involving firearms and explosives also grew by 42% - 37 compared to 26 in 2011.

The attack usually involves removing one of the 18 island tiles from play by flipping it over.