Field DevelopmentEthiopia loses patience with China’s Poly-GCL and cancels gas fields contractCompany is booted out of Calub and Hilala fields — just weeks after US outfit completes Ogaden basin gas reportContract terminated: Ethiopia’s Minister of Petroleum, Takele Uma (left), is a former mayor of Addis Ababa.Photo: AFP/SCANPIXIain EsauLondon