Cruel son SLAPS his sick dad as he lies on a hospital bed

FROM MAIL ONLINE - A Chinese man has been caught on camera brutally slapping his father, who is said to be mentally ill, in a hospital ward.

The elderly patient, 86, from Shanghai, was also kicked in the leg and strapped to the bed by his son, according to onlookers who supplied the video.

The son can be heard saying 'why did you cause trouble' as his father cried for help while being beaten. The police have detained the son for questioning after the video became viral on social media.