Answer:
Try to contact his mother, not next of kin, then take him to a hospital to receive medical attention.
Explanation:
Attempt to contact his mother's working place and therefore try to get hold of his mother via there. Or try to find out what school he goes to, and ask them to his mother's contact information. Then take him to the hospital and alert any other next of kins, try to check his phone (if he has one) for numbers or any of the people that are around him.
