Miscreants today hurled a crude bomb near a hostel in Utkal University campus here ahead of students' union election but nobody was injured in the incident, police said.
The miscreants fled the spot after hurling the bomb, apparently after a scufle between two groups, police said.
As a precautionary measure, prohibitory orders under Section 144 of CrPC have been imposed and security tightened in the area, a senior police officer said.
"The situation is now under control and police personnel are maintaining a close vigil to prevent any further trouble," he said.
Senior police officers visited the area to take stock of the situation.
Following the incident, security was further tightened in and around the university campus and entry of outsiders into the premises was restricted, they said adding police personnel in strength were deployed.
Utkal Univsersity Students' Union are slated to be held on September 23.