A 10-year-old boy drowned after entering a river to try to rescue his 11-year-old sister when she fell into the water. The incident highlights the extreme danger of attempting water rescues without equipment or trained assistance, even when trying to help a family member.

The report identifies the children’s ages and says the boy died while attempting to save his sister’s life. No further verified details about the location, timing, the sister’s condition or the circumstances leading to her fall are provided in the supplied article text.