Police said Daniel was 3ft 2ins (0.96m) tall and was wearing a blue Adidas t-shirt, blue tracksuitbottoms and grey trainers on the day of his disappearance.
The offender is described as a white male in his 20s wearing a dark-coloured bob hat, a dark hooded top and lighter coloured trousers or tracksuitbottoms.
He was said to have been wearing a grey baseball cap with a peak worn at the back, a black T-shirt with a Nike logo on the left breast and black tracksuitbottoms, worn low on his hips.