A £10,000 reward has been offered for information about the murder of seven-year-old Joel Urhie as his family pay tribute to the "most caring little boy" a year after his death.

Little Joel was killed in an arson attack on his house in Adolphus Street in Deptford on August 7, 2018 which his mum and sister managed to escape by jumping out the window.

His body was found by emergency services in the upstairs bedroom he shared with his mum.

One year on, Joel's mum Efe has remembered her son as "the sweetest, most caring little boy you could ever meet".

She said: "He was so intelligent and always curious to learn new things. He never complained about anything and loved going to church.

READ MORE: Lewisham Council knew Deptford family at risk before arson attack, sources claim

"Joel always wanted people around him - that was why we used to go to the park a lot so that he could make new friends. His smile and laugh would light up a room and he was so full of life and energy."

His cousin, Tega Majoroh described little Joel as "the sunshine after rain."

"Joel brought so much light to the family without even knowing it. His death has been a tragedy to us all. His absence has caused a huge sense of loss."

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A murder investigation was launched after Joel's death which led cops to believe the fire was started from a burning item posted through the letterbox.

So far, no one has been charged over the murder of little Joel, but officers say they remain "committed" to finding his killer.

Two men aged 21 and 20 were arrested on August 11, 2018 in south London on suspicion of murder, attempted murder and arson with intent to endanger life. They have since been released under investigation.

DCI Mark Wrigley, leading the investigation, said: "We are pursuing a number of other lines of enquiry, and we are unable to rule in or out any particular motive at this time.

“I do want to remind anyone with information that we are dealing with the death of an innocent seven-year-old child.

"He should have been able to sleep safely with his mother, but instead he died at a tragically young age due to a callous attack which was doubtless motivated by factors far behind the comprehension of any young child.

“There are people out there who know exactly what went on and who is responsible for Joel’s death. I need them to call me now.”

Crimestoppers is offering a £10,000 reward for any information they receive anonymously that may lead to an arrest of someone responsible for Joel's murder.

Anyone who has information that can help can call the Met's incident room on 02083453715, or Crimestoppers anonymously on 0800 555 111.