Nevada’s Democratic legislative caucus may have to pick sides in the race to replace Sen. David Parks, who is term-limited.

Assemblywoman Ellen Spiegel, who represents Assembly District 20, announced Wednesday she’ll seek the Senate District 7 seat held by Parks. Spiegel says Parks toyed with the idea of running for Assembly District 20, but decided against it. Parks, who is eligible for one more term in the Assembly, did not respond to a request for comment from the Current.

Spiegel says her Assembly colleague Richard Carillo may also enter the race, setting up a rare internal battle for the caucus. Carillo did not respond to requests for comment. Carillo currently represents Assembly District 18. Assembly Districts 18 and 20 are both in Senate District 7.

The move leaves two seats in the Democratically-controlled Assembly up for grabs. Both Spiegel and Carillo easily turned back Republican challengers in 2018.

Assemblywoman Dina Neal announced in September she’ll seek the Senate District Four seat once held by her father, Sen. Joe Neal. Neal has received the endorsement of Senate Democrats.