SciDevNet: Clashes over water are killing up to 4,000 people a year in Yemen, its government says. These conflicts, which predate the country's civil war, include raids on wells and other fights over water access involving armed groups, according to Yemen's interior ministry. "The conflict in Yemen is exacerbating water scarcity by reducing access to safe drinking water. If urgent action is not taken, the country will fall into further humanitarian crisis.' This compares with more than 2,500 deaths so far...