Hong Kong's Metro system becomes the target of riotous mobs

Hong Kong's Metro system became the target of riotous mobs who resorted to extreme acts of vandalism during anti-government protests in the past weekends. 

Arson, smashing both exterior and interior facilities and blocking the railways were among the violent acts committed by the radicals.

MTR, the city's railway operator. said more than 90 metro stations have been vandalized and the repair cost is more than HK$10 million.