This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Authorities on Wednesday afternoon said several suspicious envelopes mailed to the Los Angeles Times headquarters in El Segundo were deemed safe by a hazardous materials team.

Nicole Nishida, a spokeswoman for the Los Angeles County Sheriff’s Department, said just after 5 p.m. that the envelopes had been screened and did not pose a threat.

Authorities said four suspicious envelopes had been mailed to the building, and police blocked Douglas Street and Imperial Highway for several hours.

Times security called police about 11:15 a.m. after a mailroom employee discovered standard-size envelopes that were bundled together and addressed to offices at Knott’s Berry Farm with the return address as the L.A. Times. However, the envelopes had not been sent from The Times; an unknown person mailed them using the newspaper’s return address, police and fire officials said.

Read the full story at LATimes.com.