The UK government has warned of the risk of famine within months in Tigray, northern Ethiopia, calling the situation catastrophic.Special envoy on famine prevention, Nick Dyer, made the assessment during a visit to the region, which is being devastated by conflict.Mr Dyer says atrocities were continuing, citing harrowing reports of killings and rapes.He described the destruction of farm tools, seeds, and indeed of whole villages. Mr Dyer warned that ill health was as much a threat to people as starvation.Troops from neighbouring Eritrea are still fighting in the region – having been invited in by Ethiopia to help their army defeat a rebellion by local Tigrayan forces, which are now labelled terrorists by the Ethiopian authorities.