Lucknow, June 22 -- Heatwave conditions are set to persist across parts of East Uttar Pradesh for the next three days, with little relief expected in daytime temperatures. Beyond the daytime heat, this June has also seen an unusual rise in nighttime temperatures. Prayagraj is facing a severe heatwave, with the mercury hitting 42.5degC on Sunday, just 48 hours after a brief spell of rain offered temporary relief. P6...