Three men attacked another man in People’s Park, Halifax.
The victim was robbed of a small amount of money and suffered slight facial injuries in the attack at 5.30 pm last Saturday.
Police said the attackers were Asian and the victim was also Asian.
One of the attackers is aged 19 to 20, 5ft 3in to 5ft 4in tall, slim with short dark hair. He was wearing black jeans, a black top and he wore Nike Air Max trainers and had the nickname “Maxi.”
The second is aged 22 to 25, 6ft tall of medium build with black spiky hair. He was clean shaven and wore a black and white Polo shirt, black trousers and shoes and had the nickname “Amzy.”
The third was aged 16 to 17, 5ft 1in to 5ft 2in tall with a slim face and a darker skin tone than the other two. He also had black spky hair and wore a bright red top, brown jeans and had a stud in his left ear.
Witnesses should contact DC Jo Nicholls on 101 or Crimestoppers on 0800 555 111.