A 25-YEAR-OLD man accused of obstructing a police officer in a cordoned zone hours after the Lan Kwai Fong tragedy is to face trial in Western Court on April 2. Jonathan Coomb pleaded not guilty before magistrate Mr Gus Andree-Wiltens in Western Court yesterday to obstructing a police officer and being drunk in public. The offences allegedly happened at the junction of D'Aguilar Street and Lan Kwai Fong on New Year's Day.