ROME (Reuters) – Authorities have ordered a halt to pumping water out of a lake near Rome following a prolonged drought, a decision that could force city officials to impose water rationing in the Italian capital. The head of the local Lazio region, which is centered on Rome, said on Saturday the ban on withdrawing water from Lake Bracciano would come into force on July 28. “Sadly, it is a tragedy,” Nicola Zingaretti told Tgcom24 TV station. “The truth is Lake Bracciano has fallen too much and we risk an environmental disaster.” Acea, the utility firm which runs Rome’s water system,…