NEW YORK (AP) — The FBI arrested a Washington state man accused of providing chemicals to make explosives for last month’s bombing of a fertility clinic in Palm Springs, California, federal authorities said Wednesday.

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Daniel Park, 32, was taken into custody on Tuesday night at New York’s John F. Kennedy Airport upon his return from Poland, U.S. Attorney Bill Essayli told reporters.

READ MORE: FBI arrests man linked to California fertility clinic explosion at JFK airport, officials say

Federal authorities allege Park shipped 180 pounds of ammonium nitrate to Guy Edward Bartkus, 25, who bombed the clinic and was killed in the blast. The chemical compound is an explosive precursor that can be used to make homemade bombs, Essayli said.

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