The child and her mother were on their way to a metro rail station to meet the girl's grandfather when the incident took place.<br />The attacker grabbed the girl from behind and beheaded her with a cleaver, the child's mother said.<br /><br />A 33-year-old man named by police as Wang Ching-yu was arrested following the incident.<br /><br />An angry crowd gathered outside the police station where Wang had been taken, and tried to attack the suspect.<br /><br />According to police, the suspect was given treatment at a local psychiatric hospital and had been charged with drug possession. <br />On Tuesday, local residents laid flowers and cards at the crime scene in honour of the victim.<br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.