With the situation showing improvement, curfew was relaxed for five hours on Wednesday in riot-hit Muzaffarnagar while Baghpat witnessed a communal clash, leaving a constable injured.br br District magistrate Kaushal Raj Sharma said the situation in Muzaffarnagar was under control and no untoward incident was reported during the day.br br "Curfew was relaxed relaxed from 12 noon till 4pm and later extended till 5pm in Kotwali, Civil Lines and Nai Mandi areas of the district," IG (special task force) Ashish Gupta told reporters in Lucknow.