India, May 30 -- Twenty eight people have died over the 48 hours as heavy rain, thunderstorms and lightning strikes caused widespread damage across Uttar Pradesh, West Bengal, Bihar and Madhya Pradesh, with the weather department warning of more adverse conditions in several northern states.

Uttar Pradesh remained the most severely affected state, recording 11 deaths across three districts due to sudden rain and severe thunderstorms.

In Hamirpur district, four labourers and two security guards were killed after a section of an under-construction bridge over the Betwa River near Morakandar Parsari village collapsed during a storm in the early hours of Friday, officials said. Out of the seven workers carrying out wiring work on the bridge...