<p>State police in central Mexico said 11 officers were injured by student protesters Friday, while video circulated on social media showing a police bus hitting and knocking over at least one demonstrator.</p>.<p>Michoacan state Public Safety Secretary Israel Patrón said students from a local teachers' college blocked a road and then attacked officers using fireworks, stones and sticks.</p>.<p>Police tried to stop them and a confrontation ensued, he said.</p>.<p>Video images posted on the college's social media page showed a chaotic scene in which detonations can be heard and clouds of smoke or gas are seen.</p>.<p>Dozens of protesters are running in the road when a bus with blue-and-white state police markings appears, makes a sudden U-turn and knocks over a protester before escaping.</p>.<p>Patrón said that was not “an intentional attack” by police.</p>.<p>“It was done by the bus driver while he was engaged in a struggle with two students who were trying to take over the bus,” he said.</p>.<p>The official said one student suffered an injury to his leg, was treated and released.</p>.<p>The rural teachers' college in the Michoacan town of Tiripetío trains mainly working class youths to be teachers in remote communities.</p>.<p>While the school is government funded, students complain of a chronic lack of resources.</p>.<p>The school promotes a leftist ideology and its students have frequently clashed with police in the past, and have often seized private trucks and buses to enforce their demands.</p>
<p>State police in central Mexico said 11 officers were injured by student protesters Friday, while video circulated on social media showing a police bus hitting and knocking over at least one demonstrator.</p>.<p>Michoacan state Public Safety Secretary Israel Patrón said students from a local teachers' college blocked a road and then attacked officers using fireworks, stones and sticks.</p>.<p>Police tried to stop them and a confrontation ensued, he said.</p>.<p>Video images posted on the college's social media page showed a chaotic scene in which detonations can be heard and clouds of smoke or gas are seen.</p>.<p>Dozens of protesters are running in the road when a bus with blue-and-white state police markings appears, makes a sudden U-turn and knocks over a protester before escaping.</p>.<p>Patrón said that was not “an intentional attack” by police.</p>.<p>“It was done by the bus driver while he was engaged in a struggle with two students who were trying to take over the bus,” he said.</p>.<p>The official said one student suffered an injury to his leg, was treated and released.</p>.<p>The rural teachers' college in the Michoacan town of Tiripetío trains mainly working class youths to be teachers in remote communities.</p>.<p>While the school is government funded, students complain of a chronic lack of resources.</p>.<p>The school promotes a leftist ideology and its students have frequently clashed with police in the past, and have often seized private trucks and buses to enforce their demands.</p>