A false bomb threat forced residents to evacuate last night from the Towers and the Science and Technology community.

According to University Spokeswomen Ellen Griffin, around 8:30 p.m., an unidentified suspect made threats that he had left a bomb in the Towers after University Police stopped him for questioning.

UPD responded to a fire alarm at around 8:12 p.m. It was then that they approached the suspect because he seemed to have injuries on his leg and neck, Griffin said.

"We heard him screaming so we opened the window and we heard him yell, 'Get out now, there is a bomb in the building,'" said resident Allyson Pablo.

"He was grabbing his neck holding it really tight. When the police approached him he said 'no you have to call an ambulance I have a medical emergency," said Rick Powers, a resident in the Towers.

Witnesses, described the individual as a disoriented male, wearing a black shirt and missing a shoe.

The evacuees were asked to go to nearby parking lot 20 and Mary Park Hall.

The suspect has been detained, but has not been formerly charged with any offenses. Griffin added that pulling a false fire alarm is a misdemeanor the false report of a bomb threat is a felony.

UPD responded to the threat by tapping the area with caution tape and requesting assistance from SFPD, who sent three sniffing dogs to inspect the building.

They declared an all clear at around 10:30 p.m. at which point residents were allowed back inside.

Some students seemed to be concerned about the threat and individual as this was the first time they were forced to evacuate for this long period of time.

"A lot of crazy stuff happens nowadays, so I am worried about that, it doesn't seem like it would happen but its possible," Towers resident Karanebir Deol said.

"I rather have them be over serious about it, then something happening, I like knowing that I am safe," said Raquel Rojas, another resident of the Towers.

Other students were more upset about being interrupted from their studies in the last week of session.

"It's stressful because it's like someone is messing up with you, 'oh you are not really going to study tonight', "Pablo said.

For Britney Woods it was the worst night for a false bomb threat. She had her astronomy, communications, and history finals the next day. "It's a kick," she said.