517 Protest

The event vented anger at President Ma Ying-jeou for China-friendly policies that were seen as compromising Taiwan's sovereignty.

[3] The number of protesters involved varies by source, with organizers estimating 600,000 participants in Taipei and police less than 80,000.

[2][3] Two injuries were reported among men from Bade City, Taoyuan County who were struck by a police car, said to be driving very quickly, as they were crossing Hangchou South Road behind Chiang Kai-shek Memorial Hall.

[3] The protest plan called for a 24-hour sit-in at the end of the marching in front of the Presidential Office to begin at 10:00 p.m. on Sunday.

Although the sit-in was not registered, Taipei City Government declared that so long as traffic was not disrupted, it would be permitted.