The Los Angeles County Operational Area Emergency Operations Center (CEOC) was launched Saturday at 6 a.m.
Mandatory evacuations remained in place Friday for several streets in Monrovia where the downpour has turned into sporadic flash flooding.
Monrovia residents are preparing for possible mudslides that could be caused by the storm system headed to the Southland.
Authorities say two people have been wounded in a deputy-involved shooting in Monrovia.
Authorities say they have increased patrols in Duarte and surrounding areas Monday after two Sunday shootings, including one that killed a young father.
A chemical spill was reported Monday in an industrial area in Monrovia, prompting response from a hazardous-materials team and paramedics.
Thieves struck a nonprofit theater company Friday night, stealing $30,000 worth of audio and lighting equipment two months before students are set to perform their musical.
An Azusa man was arrested Tuesday for allegedly making a series of phone threats against several schools, a health facility and a shopping mall in the east San Gabriel Valley last week.
A Monrovia middle school was on lockdown Monday after police received a call stating that an armed man was on the campus.
A Pasadena woman was recovering Wednesday after she crashed into a historic wishing well in the city of Monrovia, authorities said.
A Monrovia man said his 10-pound dog survived a bout with a bear earlier this week.
A brush fire that charred about 125 acres and forced the evacuation of 200 homes in Monrovia is 85 percent contained.
Firefighters have contained 50 percent of a brush fire that has destroyed 175 acres in Monrovia. Many residents who were evacuated earlier in the day have been allowed to return home.
A Monrovia man came face-to-face with a brown bear Wednesday afternoon inside his home.
For more than 30 years, friends and colleagues knew James Heard as the hard-working head of a drug rehab center in Pasadena.