Three persons including a minor boy drowned in Kunnamangalam in northern Kozhikode district on Saturday, police said.
The deceased were identified as Sindhu alias Mini, her daughter Athira and their relative 13-year-old Advaith.
The mishap occurred in the evening when they entered into a river here for taking bath.
"It is suspected that the tragedy happened when the boy was washed way suddenly and the mother and daughter tried to save him," a police officer attached to Kunnamangalam police station said.
They were soon rushed to a nearby hospital but their lives could not be saved, he said.
