A student's bicycle was stolen from the Chemistry and Biosciences building, 1340 E. University Blvd., sometime Friday, reports stated.

The student told police he locked his bike to the bike racks on the north side of the building at 8 a.m. and when he returned at 7:50 p.m. the bike was missing, reports stated.

The student told police he had no idea who might have taken his bike, reports stated.

Police have no suspects or witnesses.

Two students were cited and released for possession of marijuana and drug paraphernalia at North Mountain Avenue and East Second Street Saturday evening, reports stated.

Police followed the students when they saw the driver holding a "blunt" near the center console, reports stated.

Police could smell the odor of burnt marijuana coming from the vehicle, reports stated.

Police stopped the students in a lot on North Mountain Avenue and East Second Street, reports stated.

Both students denied smoking marijuana to police. The police officer smelled the students' hands, which both smelled of burnt marijuana, reports stated.

When the driver opened his car door to retrieve his identification, police could smell marijuana, so they asked to search the car, reports stated.

The student told police he would rather they not search his car. He said he wanted to cooperate, but he did not want to get into trouble, reports stated.

The police officer told the student he knew he had marijuana and asked him to get it, reports stated.

The student gave police the marijuana and a glass pipe, which had residue of marijuana on it, reports stated.

Police searched the car and found partially smoked marijuana cigars in the ashtray, reports stated.

The student told police he purchased the marijuana for $20 from a man on the street and did not know his name, reports stated.

Police found a pack of cigars in the passenger's purse. She admitted that she and the driver had been smoking "blunts" made from them, reports stated.

Both students were cited and released at the scene.

A man was seen masturbating on the fifth floor of the UA Main Library, 1510 E. University Blvd., Saturday at 4:23 p.m., reports stated.

Police spoke with a library employee who told police an unknown woman reported a man masturbating on the fifth floor, reports stated.

The woman said she had seen him in the library before. As she was telling the employee she pointed out a man exiting the building, reports stated.

The woman told the employee she did not want to do anything other than report it, reports stated.

Police made contact with a man who matched the description given by the employee, reports stated.

He was arrested for an outstanding Marana warrant and booked into Pima County Jail, reports stated.

A student was diverted to the dean of students for minor in possession after police saw the student running very fast across East Sixth Street and North Park Avenue, on Saturday at 12:47 a.m. reports stated.

As he was running he lost a flip-flop and fell on his back, reports stated.

He picked up his flip-flop and ran across the Jett's Wildcat parking lot, reports stated.

Police made contact with the student at North Park Avenue and East Lowell Street because they wanted to check his welfare and ensure he was not involved in a crime, reports stated.

Police asked the student if he was all right and why he was running so hard, reports stated.

The student said he was going to meet some friends, reports stated.

Police smelled an odor of alcohol coming from his mouth and asked him for his identification and age, reports stated.

He said he was 18 and he had had six to eight beers, reports stated.

Tucson Police Department advised the officer they had just done a bar check at Belushe's and a number of people ran from the establishment, reports stated.

The student told police he had been at a bar, but did not know which one, reports stated.

A student had $240 stolen from his room on the fifth floor of Coronado Residence Hall, 822 E. Fifth St., sometime over the weekend, reports stated.

The student told police he had been in and out of his room and had been periodically leaving his door open, reports stated.

He said he noticed $240 was missing from an envelope that was in a desk drawer. The only thing left in the envelope was an uncashed bank check, reports stated.

Police asked where his roommate was. He said he was in Phoenix for the weekend but he did not suspect him because he saw the money after he had left, reports stated.

The student told police the only other people in his room he knew of were his two friends, but he had been in the room with them and did not suspect them either, reports stated.

Police attempted to contact the student's two friends but there was no answer when they knocked on their door, reports stated.

Police spoke with the resident assistant to see if the hall's camera had enough angle to photograph the student's room. It did not, but police looked at the tapes anyway, reports stated.

Police found no investigative leads and have no suspects or witnesses.

Police Beat is compiled from official University of Arizona Police Department reports. A complete list of UAPD activity can be found daily at http://www.uapd.arizona.edu.