The Army rescued four people, including one injured, after flash floods hit parts of Himachal Pradesh, an official statement issued on Thursday said. The flash floods triggered by a cloudburst hit the higher reaches of Rishi Dogri valley in Kinnaur district on Wednesday evening and the bridge across the Sutlej river was inundated. The site was an active road construction zone under CPWD towards Gangthang Bralam, the Army said.