Sometime between 10 a.m. and 10:30 a.m. Wednesday morning, someone was throwing rocks at cars parked at , said Mission Viejo police Sgt. Sandra Kirsch.
A school police officer was told of the vandalism, but by the time he arrived, the culprit was gone, Kirsch said.
Four vehicles suffered damaged windows as a result of the vandalism. Police do not know why the vehicles were targeted.
Today is the last day of school, with graduation taking place later this afternoon.
Last night police were called when several vehicles tried to enter the school around midnight. Read more below.
Here are more items from the Orange County Sheriff's Department online blotter:
11:29 p.m. Disturbance, Marguerite Parkway and Trabuco Road: Two or three kids were spotted sneaking into a pool to go swimming.
10:55 p.m. Disturbance, 27700 block Santa Margarita Parkway: A group of boys were seen playing Frisbee and drinking beer in the bathroom.
8:58 p.m. Citizen assist, 0 block Pemberly: A resident tracked their stolen iPhone to a home on Pemberley, then called police.
5:51 p.m. Battery, Mission Hospital: A 15-year-old in the emergency room said she was assaulted and battered.
11:12 a.m. Reckless driving, Marguerite Parkway and Avery Parkway: A silver Tacoma was spotted hitting cones and running over a concrete barrier, then running traffic lights.
11:02 a.m. Petty theft, 27700 block Santa Margarita Parkway: A man in his late 50s was spotted stealing.
10:10 a.m. Narcotics, Mission Hospital: Nurses found heroin on a patient at the hospital.
5:44 a.m. Petty theft, 24400 block Alicia Parkway: A woman tried to detain a teen employee she caught stealing, but he took off. Police later arrested him.
1:46 a.m. Fireworks, 2600 block Calle Cresta: A group of kids were setting off fireworks in the street.
12:40 a.m. Prowler, 27700 block Tirante: A caller's wife saw a man looking into the sliding glass door of their home.
12:36 a.m. Suspicious Person/Circumstances, Capistrano Valley High School: Several vehicles attempted to park inside the school, including a white sedan and a white SUV.
10:43 p.m. Disturbance, Camden and Felipe: Five or six people were seen physically fighting outside cars parked in the middle of the street.
10:19 p.m. Disturbance, Sunstone and Hillcrest: Five or six people around the community pool sounded like they were preparing for a fight, according to a police informant
8 p.m. Traffic hazard, Los Alisos and California Court: The street was flooded near the California Terrace Apartments, and one person suspected a broken water main.
ARRESTED 7:34 p.m. Crown Valley/I-5: Two young men were panhandling for gas money.
7:21 p.m. Disturbance, Newhart Middle School: Several high school kids tried to crash the school dance inside the main gym. They were taunting people and refusing to leave, according to a police informant.
6:05 a.m. Assault, 23600 block San Esteban: A father banged his 19-year-old's head against a wall, causing bleeding, according to a caller.