11 sick as envelope opened at US mily base

WASHINGTON: An envelope containing an “unknown substance” was opened at a US base near Washington on Tuesday, leaving 11 people sick, including military personnel, the Marine Corps said. The envelope, which was received at Joint Base Myer-Henderson Hall around 3:30 pm (2030 GMT), led to an evacuation of the building, the US Marine Corps said in a statement. “Shortly after receiving the letter, 11 people started to feel ill,” three of whom were “transported in stable condition for further medical evaluations,” it said. “Joint Base Police Department officials are working with local HAZMAT teams, NCIS (Naval Criminal Investigation Service) and the FBI. The building was screened and cleared,” it said.