Pithoragarh/Gopeshwar: Twelve persons were killed and 25 others were missing as torrential rains and landslides hit Uttarakhand's Pithoragarh and Chamoli districts in the wee hours on Friday, burying villages in sludge with many residents trapped under the debris.

While eight persons were killed in cloudburst in Pithoragarh district, four lives were claimed by heavy rains in Chamoli district. Two persons were swept away by the muddy waters and debris rushing down the slopes into Siron village in Chamoli. One person was killed in Ghat block and another in Sithel village in similar circumstances, SDM Chamoli S K Barnwal said, adding eight persons trapped in the debris have been rescued in the district so far.