Forty-five prominent activists in Hong Kong have been sentenced to up to 10 years in jail, sparking criticism from foreign governments and rights groups.

A Hong Kong court sentenced 45 pro-democracy advocates in a mass trial on Tuesday, marking the largest case yet brought under the city's draconian National Security Law.

Ventus Lau is one of 45 activists and politicians who was sentenced in the city’s biggest national security trial. His girlfriend, Emilia Wong, a gender rights activist, talks about the impact his case has had on their relationship.