Police accidentally cracked a window Friday while trying to catch underage drinkers in Navajo Residence Hall, 1557 E. Sixth St., reports stated.

Police heard a loud noise and liquid hitting the pavement around 3:30 a.m. outside the residence hall, reports stated.

Police then approached a stairwell and smelled beer. Police saw a man emptying a can.

When he saw police, the man shouted, "Oh shit, it's the cops," reports stated.

The man then ran up the stairs. Police tried to follow the man and slipped on liquid that smelled like beer.

The officer lunged forward to keep from falling and landed against a window, cracking it.

Police notified an on-duty resident assistant of the incident and tried to contact the people in the room where police had heard the loud noise.

Police were unable to contact the people in the room, reports stated.

One hundred dollars worth of recycling cans were stolen sometime between April 8 and Friday from the Campus Recycling Center at North Cherry Avenue and East Seventh Street, reports stated.

An employee of the recycling center told police 30 large, clear plastic bags containing recycled cans had been taken.

The employee told police someone had climbed the fence to get to the cans, damaging the barbed wire that surrounds the compound.

The person then left the area by placing bricks at the base of the fence to create stairs, reports stated.

The employee told police he had seen several transients in the area over the last couple of days.

Police have no suspects or witnesses, reports stated.

Someone damaged two wireless perimeter sensors and a fence early Sunday morning at a campus construction site, 1635 E. Helen St., reports stated.

When police arrived, a security officer told them the sensors had gone off around 1:30 a.m. The security guard said when he went to check the area, he saw the sensors had been damaged.

The wire holding the fence together had also been cut, reports stated.

The security guard told police he had checked the area but had not seen anyone.

Police noticed there were no footprints in the area.

Police have no suspects or witnesses, reports stated.

Police helped extinguish a white Mitsubishi truck that was on fire Sunday night while it was parked at East Speedway Boulevard and North Park Avenue, reports stated.

When police arrived, they noticed smoke coming from the bed of the truck. The owner of the truck said he did not know what was wrong with his car, reports stated.

Police called the Tucson Fire Department and then put out the flames beneath the bed, reports stated.

When TFD arrived, they put out the remaining flames.

Firefighters told the owner the fire had been caused by a malfunction in the emergency brake, reports stated.

A student and her two friends were arrested for possessing drug paraphernalia Friday after they admitted to smoking marijuana in the student's room at Coconino Residence Hall, 1003 N. Olive Road, reports stated.

Police arrived after an RA told them he smelled burning marijuana. The student answered the door and allowed police to enter.

Police saw a yellow beach towel had been placed at the base of the door.

The student and her friends had red, watery eyes along with green, raised taste buds, reports stated.

Police saw a water pipe in plain view. The student and her friends told police they had been smoking marijuana with the pipe.

The student and her friends were referred to the UA diversion program, and the pipe was placed into evidence, reports stated.

A man was charged with minor in possession early Friday morning while walking near the Delta Delta Delta sorority house, 1541 E. Second St., reports stated.

Police saw the man carrying a silver beer can through an alley.

Police followed the man, and saw him walk between parked cars and come out without the silver can.

Police stopped the man, and he admitted he was 18 and had drunk three beers.

The man would not tell police where he obtained the beer. The man was cited and released, 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.