In an interview aired Wednesday night, Trump said he may withhold aid to California until the state adjusts how it manages its scarce water resources. He falsely claimed that California’s fish conservation efforts in the northern part of the state are responsible for fire hydrants running dry in urban areas.

Trump repeated false claims that the state's fish conservation efforts in the northern part of the state are responsible for fire hydrants running dry in urban areas.

It will be hard for the president to revoke FEMA funding — but a GOP-led Congress could slow down the region’s recovery.