 The 16 clips released showed Chan wandering around campus for more than an hour.After the Design Institute had disclosed surveillance videos and the girl's mother had appealed for an end to the speculation of Chan's death, students continued to demand the release of integral footage from surveillance cameras for 29 and 30 October.Masked protesters accused the school of downplaying the situation; they continued to damage facilities and equipment on campus for two days, with the police ended up having to be called.