injury to officers, offenders or to other persons. they should only be used in situations where such force reasonably appears justified and necessary. nine students doused in the spray are treated at the scene. two more are taken to a nearby hospital and later released. but before the dust even settles, the footage is already out on the web. >> at the time, we just figured that, you know, maybe more people on campus would be watching this and maybe people locally in sacramento, but, no idea that people around the world would be viewing this within the next few days. >> an ugly incident on the campus of the university of california, davis, is drawing outrage nationwide. >> the next day, the university chancellor, linda katehi, expresses her own personal remorse over the incident. >> i'm here to apologize. >> lieutenant pike and another police officer involved in the spraying are placed on paid administrative leave. 19 students and alumni involved