With heavy rains continuing in neighbouring Himachal Pradesh and Uttarakhand, authorities in Haryana's Hathnikund barrage released excess water into the Yamuna river, posing a flood threat to New Delhi. The water-level at the Hathnikund barrage along the Haryana-Uttarakhand border rose to alarming levels owing to overnight heavy rains in Uttarakhand and Himachal Pradesh.