Members of the Taiwan Solidarity Union’s (TSU) youth organization TSU Youth are detained after a protest at the presidential residence in Taipei yesterday.
Photo: Fang Pin-chao, Taipei Times

Taiwan Solidarity Union (TSU) members in the early hours of yesterday staged a protest outside the presidential residence ahead of China’s scheduled inauguration of the controversial M503 flight route today.

Protesters shouted: “Withdraw the M503 flight route” and “President Ma Ying-jeou (馬英九), step down.”