City and police officials are warning people not to leave valuables in their vehicles.
One of the boys was flown to a hospital in critical condition, authorities said.
The search for suspects in a strong arm robbery would lead to a chase in the area of the Claremont Village.
The ring stole an estimated $1 million in electronics and other items during burglaries in Los Angeles and San Bernardino counties, according to prosecutors.
A 22-year-old was arrested late Wednesday on suspicion he used a stun gun to rob a woman in Claremont.
The 17-year-old victim was found in a vehicle and declared dead at a hospital.
A public hearing on a serial rapist's proposed release to Lake Los Angeles was canceled because the home being considered is no longer an option, authorities said.
Pomona has had 25 murders this year, the most recent the death of a youth pastor from West Covina.
Jeremy Miulli and Kevin Liu, were arrested around 1 p.m. Saturday on suspicion of felony cultivation of cannabis and possession of concentrated cannabis.
The robber hit his victim with a crowbar, grabbed a briefcase then ran, police said. Police ask for the public's help in finding him.
The man was threatening to jump but was taking into custody when he tried to run from police, officers said.
Pomona's La Fuente Restaurant tried to disguise the after hours violation, according to authorities.
Ky Cheng, an Army veteran, is currently in Los Angeles County Jail serving a three-year sentence for violating the terms of his probation in a 2010 case. The weapons charge stems from a probation search by Pomona Police.
The deceased was a Glendale resident, officials said.
Several agencies teamed to curb the crime by known gang members in Pomona. The violence often spills over into surrounding towns. Agencies occasionally pool their resources.
The victim may have suffered a heart-attack while traveling on the 210 Freeway, officials said. The officer was from the Baldwin Park CHP office.
Several hundreds gather in Pomona to honor a youth pastor who became the latest victim of gun violence.
Witnesses reported seeing a male driver speeding on the westbound I-10 when it appeared to lose control and overturn.
The crash took place just east of Huntington on the westbound 210 Freeway just after 5 a.m., said California Highway Patrol Officer Patrick Kimball.
Police say they arrested two people suspected of stealing packages after a resident reported they tried to grab a package in front of her home.
The annual campaign provides public education about the risks of driving.
The victim was found with multiple gunshot wounds around 2:45 a.m. Saturday in an alley in the 1600 block of East Kingsley Avenue in Pomona.
The home reportedly is close to a county park and a community church with a youth ministry.
Efforts to keep Christopher Evans Hubbart away from a Lake Los Angeles community were successful, according to an LA County Supervisor.
Los Angeles County Supervisor continues to fight the release of Christopher Evans Hubbart, an admitted serial rapist.
Joseph Leo Amaya is accused of raping a clerk at an El Monte convenience store.
Los Angeles County Assessor John Noguez and his co- defendants face counts of embezzlement and grand theft, according to law-enforcement.
Several homes were searched and five local people were arrested, including West Covina and Fullerton residents, in connection with a child pornography case.
He may not end up in Claremont but Christopher Hubbart, who authorities said admitted to raping up to 40 women, will be released into Los Angeles County, a judge has ruled.
Claremont police will collect prescription drugs from 10 a.m. to 2 p.m. Saturday at the Police Department on Bonita Avenue.
Lawrence Adger, of Pomona, was arrested for a shooting on Thursday. It was the third shooting in as many days, authorities said.
Gunfire was reported at 11:54 p.m. on San Bernardino Avenue, according to a Pomona Police Department
A man has been arrested on suspicion of murder, according to police.
October is Fire Safety Month.