Bloomington police are looking for a suspect who sexually assaulted a 19-year-old Indiana University student early Thursday. Police say the student was walking in the east parking lot next to Eigemann Hall shortly after 5 a.m. when he was approached by the suspect. The man asked the student for directions, and then grabbed him. The suspect held a knife to the student’s throat, sexually assaulted him, and then ran off. Students and staff were alerted via phone and social media. Police are working on a sketch of the suspect.