ISLAMABAD: Heatwaves are expected to hit Pakistan’s most populous Punjab province during the ongoing month of April, the Provincial Disaster Management Authority (PDMA) said on Friday, urging the masses to take precautionary measures. Pakistan has been facing a range of climate-related challenges and is considered one of the top 10 places in the world most vulnerable to erratic weather patterns. In recent years, the South Asian country of more than 241 million has witnessed untimely...