In Uttarakhand, police force accompanied by Rapid Action Force flag-marched in curfew bound areas in Rudrapur city of Udham Singh Nagar district, where four people were killed in a clash yesterday.According to District Magistrate, Dr. B V R Purushottum, as of now situation is tense but under control. He told AIR correspondent that no untoward incident was reported in the district so far. Meanwhile, Chief Minister B C Khanduri is visiting Rudrapur to review the situation.