Noem said in Detroit that as security at the southern border with Mexico has tightened, she is seeing more gang members crossing from Canada.

Noem was taken to the hospital after an allergic reaction, the Department of Homeland Security shared. “Secretary Noem had an allergic reaction today. She was transported to the hospital out of an abundance of caution. She is alert and recovering,” DHS spokeswoman Tricia McLaughlin said.

Department of Homeland Security Secretary Kristi Noem was taken to a Washington D.C. hospital on Tuesday, Assistant Secretary Tricia McLaughlin confirmed to PEOPLE.