A 15-year-old boy was killed and three other minors injured when lightning struck them after they climbed up a tree in search of mobile phone network in Maharashtra's Palghar district, an official said on Tuesday.

The incident took place on Monday evening when the four boys went out for grazing cattle at Mankarpada in Dahanu taluka, tehsildar (revenue officer) Rahul Sarang said. The district witnessed heavy rainfall along with thunder and lightning on Monday.