Update: 9:22 a.m. – Police are no longer in the area of Monte Diablo Avenue or South Fremont Street as of 8:45 a.m. Thursday. “Normal activity may resume,” police stated.

SAN MATEO (KRON) – The San Mateo Police Department is asking residents near the unit block of South Fremont Street and in the 300 block of Monte Diablo Avenue to “please stay inside” while officers serve search warrants there, according to an emailed statement to KRON4 News.

Those who live near the locations are asked to avoid them “until we have deemed it safe.”

“We will keep you advised,” the email, sent at 5:21 a.m. Thursday, concludes.

This is a developing story. Check back for updates.