A Republican lawmaker in Maine has sued the state's Democratic House speaker over her censure that followed a social media post about a transgender athlete participating in high school sports. Rep. Laurel Libby's posted about a high school athlete who won a girls' track competition.

A Maine GOP lawmaker who was censured by Democrats over her comments about a transgender student has filed a federal lawsuit challenging the move that has blocked her from voting on bills or speaking on legislative matters.

The Auburn Republican is arguing that her constitutional rights have been violated after Democrats voted to bar her from voting and speaking on the House floor.