Haoyang Xu faces deportation to China
Country's Supreme Court earlier this year ruled against marriage equality
March 21 was Human Rights Day in the country
Supreme Court hearing to take place on April 18
Nicola Sturgeon resigned in February
LGBTQ, intersex rights groups part of nationwide protest movement
Three media outlets launched Google News-backed project
Protester threw tomato juice at Posie Parker in Auckland
Some lawmakers argue motion threatens freedom of expression
Measure would 'criminalize' LGBTQ, intersex people