India Meteorological Department (IMD) has issued 'red' alert for several areas in Uttar Pradesh, including Mathura and Agra, for today (Tuesday) and next four days amid severe heatwave. The alert has also been issued for Aligarh, Jalaun, Lalitpur, Firozabad and neighbouring areas for today and tomorrow. Warm night to severe warm night conditions are expected to prevail in some areas.