AUSTIN, Texas (AP) — A Texas court on Monday temporarily halted more than $200,000 to prosecutors in the criminal case against Republican Attorney General Ken Paxton after one his donors sued over the mounting legal bills footed by taxpayers.

The ruling comes as Paxton awaits trial in May on securities fraud charges. An attorney for the prosecutors said he expected a swift resolution from the Dallas-based Fifth Court of Appeals and accused Paxton supporter Jeffory Blackard of trying to derail the criminal case with a fight over legal fees.

Blackard, a real estate developer who has given at lea...