By The Nation
Pol Maj Supachai Kanthasing, of Muang Chiang Rai police, said the body was spotted floating in the river under a bridge near the Chiang Rai Highway district.
A doctor determined the baby boy was about one to five days old and his umbilical cord was properly cut.
The doctor believed the baby died about three days ago.
The body was sent for an autopsy at the Chiang Rai Hospital.