A group of Gwinnett County women, who are part of a nationwide movement calling for President Barack Obama's impeachment atop overpasses, were assaulted during their protest Saturday.

The women were holding signs on the overpass at Steve Reynolds Boulevard when they say a man pulled up beside them and pointed a gun at one and splashed another with an unknown liquid.

"I felt it on my foot... it burned, so I thought it was a household chemical," Marge Moore tells WSB's Sandra Parrish.

She says just moments earlier, a couple in a car had driven by and threatened to kill them.

As the man drove off, the women contacted Gwinnett County police.  A witness to the incident told them he had contacted police as well.

Protestor Toni Pendley says even though the women were shaken up, they won't give up protesting the policies of the president including Obamacare, the Benghazi attack, and the NSA leaks.

"We're going to come back out here," says Pendley. "We're not going to let him or anyone intimidate us."

They plan to hold another protest this coming Saturday at the same spot and are told gun owners with carry permits may join them this time.