At least 26 people were killed after unusually heavy rain and thunderstorms wrought havoc in Pakistan, officials said on Sunday. The majority of the deaths were reported in the north-western province of Khyber Pakhtunkhwa where at least 21 people including women and children died in rain-related incidents during the last 48 hours. Another five people including a woman and three children were killed in the south-western province of Balochistan. More than 50 people including women and children were wounded when roofs and walls collapsed, according to the provincial disaster management authoritie…