DEL MAR, Calif. (AP) — A federal judge has temporarily blocked a moratorium on gun shows at a Southern California fairground.

The judge on Monday issued a preliminary injunction barring the Del Mar Fairgrounds in San Diego County from prohibiting shows while a lawsuit filed by organizers of the well-known Crossroads of the West gun show makes its way through the courts.

The board that controls the state-owned fairgrounds voted last fall to not consider contracts with gun show producers for up to a year beginning Jan. 1 while it formulates clearer policy on the events.

Some lawmakers and gun control activists have opposed gun shows and sales at state-owned fairgrounds in the wake of mass shootings.

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An Assembly bill introduced this year would ban gun and ammo sales at the fairground beginning in 2021.