The water level in Pong Dam reservoir in Himachal Pradesh's Kangra has surged alarmingly in last 24 hours, prompting an alert in parts of Himachal Pradesh, Punjab. Bhakra Beas Management Board (BBMB) has announced that excess water will be released tonight through dam's spillway. The reservoir level touched 1361.07 feet on Saturday morning, and 1,390 feet marked as danger level.