Tan has been deported from the UK
https://azazelantijihadblogger.blogspot.com/2018/04/speakers-corner-in-hyde-park-londen.html
In Dutch with screenshots of the terrorist’s online comments in English
Categories: Islam, Speakers' Corner, Terrorism
Speakers’ Corner and specifically Tan was a target of the Streatham terrorist Abu Malik, subsequently identified in 2018 as Sudesh Amman
https://www.thesun.co.uk/news/10883692/streatham-terrorist-call-of-duty/