The police found a car rigged with a bomb.

He knows how to defuse a bomb.

He threw a grenade.

He moved agilely to avoid the enemy bullets.

The police used tear gas against the demonstrators.

He fired a round shot from the cannon.

He threw a smoke bomb to obstruct the enemy's view.

This area has a lot of unexploded ordnance left over from the war, so caution is necessary.

He found the magic bullet to solve the problem.

He likes to take a walk in the park at dusk.