Don’t mess with senior citizens (search) in Texas (search). One group is fighting back against city officials who ordered them to stop doing what they've been doing at a public senior center for 20 years -- praising God.

“We want to have our prayer, we want to have our gospel music, we want our minister to be able to come and bring a devotional,” senior center member Marcy Green said.

After three members of the center complained, city officials told the seniors they could no longer conduct group prayers over their meals, sing gospel music or hold weekly inspirationals given by one of their members -- a preacher.

“It was definitely being used as a delivery system for a religious doctrine, a fundamentalist doctrine,” said Patricia Cook, one of the members who complained.

Liberty Legal Institute (search), representing the seniors who want the right to religious freedom in their center, is filing a federal lawsuit claiming the city has violated their clients’ constitutional rights.

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