The victim, who is from the Clacton area, has not yet been named by police.
However, tributes began flooding onto the social networking site Twitter using the hashtag #RIPJay.
One Twitter user, under the name Mary-Ellen1, said:
RIP Jay my little brother, taken too young. We will get you justice.
RIPJay, the mark you left on this Earth is irreplaceable, the mark you left in our hearts is unforgettable.
More top news
Assema Kedir Habib spoke at the commemoration of her brother Hashim Kedir and his family.
A 95-year-old man has been arrested on suspicion of murder after a 61-year-old female carer died after she suffered head injuries.
The man told his pensioner victim his floor needed replacing and offered to carry out the work.