See this:
http://www.straitstimes.com/news/singapore/courts-crime/story/ex-ntuc-president-and-mp-phey-yew-kok-how-the-case-unfolded-201506#xtor=CS1-10
After he run road for 35 years, now surrenders at age 81. My guess is that he probably as a severe illness and wants free medical treatment.