Three persons, including a seven-year-old child, were killed while crossing railway track when they were run over by a train at Kantakapalli railway station in the district today, police said.
The mishap occurred in afternoon and details are not available yet, said GRP sub-inspector Khajeswar Rao.
He said the deceased seem to be members of the same family, but are yet to be identified.
A case had been registered in this regard and further investigation is on, Rao added.