1.   Along with tear gas, police repeatedly used water cannons to repel protestors and heaved nonlethal flash grenades to disorient aggressive crowds.

2.   FBI agents stormed the RV with tear gas and a flash grenade, and found Harper dead of a gunshot to the chest, Drew said.

3.   Police responded with pepper spray and flash grenades, and made some arrests.

4.   Police responded with pepper spray and flash grenades.

5.   A flash grenade was also used to light up the ships, he said.