flash-bang

Standard issue for military assault teams, the object was called a flash-bang—a “nonlethal” concussion grenade that temporarily disoriented an enemy by generating a blinding flash and deafening concussion wave.

Deception Point Dan Brown 2001

Here is another video showing police using what are identified as "flash-bang rounds" on protesters.

Boing Boing Xeni Jardin 2011

NC SWAT officer killed when stun grenade detonates Police in North Carolina say a SWAT officer was securing a stun grenade known as a "flash-bang" at his home when it exploded, killing him.

The Seattle Times 2011

Police in North Carolina say a SWAT officer was securing a stun grenade known as a "flash-bang" at his home when it exploded, killing him.

The Seattle Times 2011

As he approached the helicopter, per plan, the helicopter took off dramatically, and when that happened, the FBI also threw some flash-bang grenades, which are in essence very loud firecrackers.

'Stalling For Time' With An FBI Hostage Negotiator 2010

At 4.50am, some loud bangs were heard after officers lobbed "flash-bang" grenades, and smoke rose into the air.

Occupy Wall Street – Tuesday 25 October 2011 2011

Before he could finish explaining what he needed, he heard a flash-bang grenade and saw the signature flash of light in the stairwell.

Gideon’s war Howard Gordon 2011

Trainees quickly drew up an assault plan, rigged flash-bang diversionary grenades and four-man ladders, and sneaked along the sides of the train.

Terror Worries Ride Rails Keith Johnson 2011

In Seattle police used "flash-bang" percussion grenades to disperse protesters who blocked an entrance to a Port of Seattle facility on Monday evening.

Occupy protesters disrupt ports across US west coast 2011

One of the men readied a flash-bang grenade while another lifted the handles.

The Race to Capture Saddam Steve Russell 2011