Student Lau Hong has had his conviction quashed by the High Court.

The High Court has today overturned a student's conviction for carrying an air gun near a Legislative Council protest site in December 2017.

Lau Hong, a former member of independence advocacy group Studentlocalism, was found guilty of a count of possession of an imitation firearm at the Eastern Magistrates' Courts in September last year and placed on probation for 18 months.