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2014 Hong Kong protests which is often dubbed the "Umbrella Revolution".<unk> Wong witnessed use of excessive violence by the police on unarmed citizens during the protests.<unk> Wong witnessed excessive violence by the police on unarmed citizens during the protests. ong<unk>believes<unk>use<unk>of force is justified to prevent violence from police.<unk> Wong<unk>believes<unk>use<unk>of force is justified to prevent violence from police. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>