Jason is described as white, 5' 9" tall with a slim build and short dark brown hair. He was last seen wearing a grey top, white tracksuit bottoms and trainers.
Jason has family connections in Brixton and Clapham, so it's possible he may be in the southwest London area.
Anyone who thinks they may have seen Jason is advised not to approach him but, instead, to contact Bexhill Police on 0845 60 70 999.