The Ukrainian President has visited those injured in Monday’s violent clashes in Kiev.<br /><br /> The authorities now say three police officers were killed. <br /><br /> 141 people were injured, some seriously.<br /><br /> Officer Roman Perekos was one of them: “Everything started when protesters began to beat police officers with wooden batons with nails in them. Then I heard a grenade exploding. When I came round, my arm was broken and my leg was bleeding.”<br /><br /> Nationalists clashed with police as the parliament in Kyiv debated granting more autonomy to the disputed regions in the east.<br /><br /> The Euronews correspondent in Kyiv, Maria Korenyuk, said: “The Prosecutor’s office has already launched criminal proceedings regarding the violent events outside the Ukrainian Parliament. Police detained 18 people, including a person suspected of throwing a grenade at police officers. Ukraine’s Prime Minister Arseniy Yatsenyuk called for life imprisonment for the person found responsible.”<br /><br /> President Petro Poroshenko says this i