A group of 20 mostly Democrat-led U.S. states filed a lawsuit on Wednesday seeking to block the administration of President Donald Trump from terminating a multibillion-dollar grant program that funds infrastructure upgrades to protect against natural disasters.

The lawsuit filed in Boston federal court claims that the Federal Emergency Management Agency lacked the power to cancel the Building Resilient Infrastructure and Communities (BRIC) program in April after it was approved and funded by Congress.

FEMA, part of the U.S. Department of Homeland Security, has come under scrutiny for its response to deadly floods in Texas earlier this month, which has put renewed focus on the Trump administration’s moves to shrink or abolish the agency.

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(Reporting by Daniel Wiessner in Albany, New York)