SOUTH PASADENA — Federal officials conducted a search at a South Pasadena convalescent home Thursday, police said.

Federal agents from the FBI, IRS, California Department of Justice and the U.S. Department of Health and Human Services arrived at the South Pasadena Convalescent Hospital, 904 Mission Street, about 8 a.m., South Pasadena police Sgt. Tony Abdalla said.

FBI spokeswoman Laura Eimiller said the search warrant had been ordered sealed by a judge, preventing her from discussing it.

“I can confirm that we are executing a federal search warrant,” she said. “We’re seeking evidence related to a criminal investigation.”

No arrests were expected Thursday, she added.

No further information was released.