Chandigarh, Jan 2 (IANS): Minimum temperatures rose at most places across Haryana and Punjab on Wednesday.

Dense fog prevailed over several places in the two states on Wednesday.

In a pile-up of vehicles due to thick fog on the Dera Bassi flyover on the Ambala-Chandigarh highway, around 20 km from here, a woman and her daughter were killed when their car was hit from behind by a Volvo bus.

Chandigarh recorded a minimum temperature of 9.4 degrees Celsius on Wednesday against a low of 4.2 on Tuesday.

In Haryana, Ambala at 8.5 degrees, Bhiwani at 7.8 degrees, Hisar at 7.5 degrees, Karnal at 6 degrees and Narnaul at 6 degrees were warmer than the minimum temperature of 3.7, 5.6, 2.8, 3.4 and 3 degrees, respectively, on Tuesday.

In Punjab, Amritsar recorded a low of 3.6 degrees against 2.4 degrees on Tuesday.

Ludhiana and Patiala recorded lows of 7.8 degrees and 8.1 degrees against 4.4 degrees and 5 degrees, respectively, on the previous day.