RUDARE, Kosovo (Reuters) – Thousands of Kosovo Serbs protested on Thursday to back demands for the country’s Albanian-majority government to pull its police out of the country’s north where its Serb minority is concentrated. Since Dec. 10 local Serbs have erected nine roadblocks in the northern region and exchanged fire with police after the arrest of a former Serb policeman for allegedly assaulting serving police officers during a previous protest. Thursday’s protest rally was held in the village of Rudare, a few kilometres from the ethnically divided, flashpoint town of Mitrovica, with the m…