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WASHINGTON (NEWS CENTER) -- Gun rights groups are exerting a lot of pressure on members of congress to block any sort of gun control legislation... And that includes Maine's senior senator, Republican Susan Collins.

A political ad, paid for by a group called the National Association for Gun Rights, has been airing for the last few days here in Maine. It's prompting viewers to call Senator Collins and urge her to support blocking any vote on gun control legislation.

As she said on NEWS CENTER at 5:30, Collins says she's not going to support the filibuster. She says gun legislation deserves a full debate in the senate.