At least two people were reported killed in a 6.8-magnitude earthquake that hit north-eastern and eastern India Sunday, dpa quorted news reports as saying. The victims were a soldier and a child buried in the debris of a building in Sikkim, the Times Now television channel reported, citing police sources. Two aftershocks measuring between 4 and 4.8 in magnitude followed the earthquake, meteorological department officials said. The communication network and power lines in large parts of Sikkim had been knocked out and landslides caused by the earthquake had blocked roads, Times Now reported.