A woman called police Tuesday after she thought she saw a man masturbating while sitting next to her, reports stated.

The student was studying in the Main Library, 1510 E. University Blvd., on the west wing of the third floor. A man sat two seats away from her and asked her what time it was. He then said, "I have to get some things done," reports stated.

Over the next 10 minutes, the woman heard the man grunting while manipulating his hand between his legs under his desk. Out of the corner of her eye, she saw the man looking at her, reports stated.

The woman grabbed her things and went to another desk to study. While sitting there, the man passed by her twice and again looked at her, reports stated.

Police were unable to find the man in the library, reports stated.

A student called police Tuesday after somebody broke into his car and took an engine performance device attached to his dashboard, reports stated.

The device, an Apexi Rev/SpeedMeter, is used to test engine performance and is worth $700, reports stated.

The student parked his Honda Civic in a parking lot at 421 N. Cherry Ave., at 2 p.m. the day before. When he returned the next day at 8 a.m., he found the driver-side window smashed in, reports stated.

Police were unable to find any fingerprints and have no suspects or witnesses, reports stated.

A man was arrested after a student saw him stealing a bicycle from the Student Union Memorial Center, 1303 E. University Blvd., reports stated.

The witness said he saw the man crouching next to a bike at 6:24 p.m. while it was locked to a rack. The man was using a tool on the cable lock. When people would walk by, the man would put the tool back in his backpack and stand up, reports stated.

When police found the man, they asked why he was on campus. He said he was there to watch a concert. When police asked him if he had tried to steal a bike, he said, "I might have," reports stated.

Police searched his backpack and found a metal cutter and wrenches, which matched the damage done to the bike lock that he was seen at earlier, reports stated.

Police found that the man had three outstanding warrants for theft, possession of burglary tools and failure to appear in court, reports stated.

He was arrested and booked into Pima County Jail, reports stated.

A student Îs car was broken into Tuesday while parked in a UA parking lot, 1904 E. Helen St., reports stated.

The student parked her Isuzu pickup truck in the lot earlier in the day, and when she returned, she saw her driver-side window smashed in. When she looked inside, she saw that her Sony amplifier and subwoofer were stolen, reports stated.

The amplifier was worth $200 and the speaker $150. Police have no suspects or witnesses, reports stated.

A student called police Tuesday after somebody took the front wheel off his bike, reports stated.

The student locked his bike to a rack at Coronado Residence Hall, 910 E. Fifth St., at noon on Oct. 24. He used a cable lock to lock the frame of the bike but did not lock the front tire, which was connected by a quick release system, reports stated.

Police have no suspects or witnesses, reports stated.

A student found her car window shattered Tuesday after she parked it in a lot at 2603 E. First St., reports stated.

The student parked her red Nissan pickup at 9 a.m. and returned to find a shattered driver side window at 2:45 p.m., reports stated.

The car was still locked and there was nothing stolen from the car. Police have no suspects or witnesses, reports stated.

A UA employee called police Tuesday after she found her bike seat missing, reports stated.

The employee locked her bike in the bike cage in the Main Gate Garage, 815 E. Second St., earlier that day and when she returned the seat was gone.

Police have no suspects or witnesses, reports stated.

A student's bike was stolen after she locked it in front of Yuma Residence Hall, 1107 E. North Campus Drive, reports stated.

The student locked the bike to a rack at 4:45 p.m., on the south side of the residence hall and ran into the building. When she came out at 4:55 p.m. the purple beach cruiser and the lock were gone, reports stated.

Police Beat is compiled from official University of Arizona Police Department Records. For a complete list of UAPD activity, the daily resumŽ can be found at www.uapd.arizona.edu.