(NEXSTAR) -- One day after the assassination of conservative activist Charlie Kirk, several members of Congress say they're concerned for their safety amid an uptick in political violence and threats.

Wednesday's deadly shooting at Utah Valley University is the latest in a series of attacks involving political violence, including a pair of shootings in June that left former Minnesota House Speaker Melissa Hortman (D) and her husband Mark dead and another state lawmaker and his wife severely injured.

"The list goes on and on and on," said Rep. Jim Himes (D-Connecticut), the top Democrat on the House Intelligence Committee. "I don't feel nearly as safe as I did 10 years ago."

"It's just a risky deal," said Rep. Tim Burchett (R-Tennessee). "Your head's on a swivel all the time."

Rep. Nanc

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