Bhubaneswar, Oct. 29 -- India Meteorological Department (IMD) on Thursday issued a red alert for Sundargarh and Bargarh districts in Odisha for the next 24 hours and warned of heavy to very heavy rainfall at several places and extremely heavy rainfall at one or two locations.

The warning comes as the remnants of Cyclone Arnab have weakened into a depression and is currently centred near southern Odisha adjoining southern Chhattisgarh.

On the other hand, a low-pressure area has formed over the South Andaman Sea and adjoining areas and is likely to intensify into a well-marked low-pressure area within the next 24 hours.

An orange alert has been issued for Keonjhar, Deogarh, Sambalpur, Jharsuguda and Mayurbhanj districts.

A yellow alert ...