Teargas and buckshot echoed above Cairo University where clashes Tuesday left one person dead and nine injured.<br/> <br />The clashes broke out after students marched outside the university, condemning the police and military.<br/> <br />The two sides have fought frequently at the university, which has become a major arena for protests by supporters of former President Mohamed Mursi.<br/> <br />Mursi was overthrown by the military last July following mass protests against his rule.<br/> <br />Three of the nine injured in the clashes were in critical condition.