The shooting spree killed two people and wounded five others.
Police say the firearms used by the boy in the incident were blank guns that had been purchased online for 16,000 baht each.
Investigators from Yannawa Police Station asked the Southern Bangkok Criminal Court to issue arrest warrants for three individuals.
They were named as Akkarawich (last name withheld), a resident of Yala province; Suwannahong (last name withheld), also from Yala; and Piyabutr (last name withheld), a resident of Bangkok.
