At least 10 House Democrats who voted Sunday for health care overhaul have received violent threats to their lives or property, party leaders said today. Connecticut Democrat on health reform: "More action and correction" coming soon.Several members have faced death threats and harassing phone calls while others have experienced vandalism at district offices or their private homes. In one case, a gas line was cut outside the Virginia home of Rep. Tom Perriello's brother after a conservative activist posted the address online, mistakenly thinking it was the congressman's house. The Federal Bureau of Investigation is investigating.