LEY UWERA TRICKLES of displaced people are heading back to the Democratic Republic of Congo’s eastern city of Goma, just days after officials ordered residents to evacuate following a volcanic eruption on 22 May that left at least 32 people dead and 20,000 homeless. Hundreds of thousands of evacuees remain scattered and families are still separated across the region amid warnings of further eruptions in the city centre and its adjacent lake, which contains vast amounts of trapped carbon dioxide that could suffocate residents if released. Congolese photojournalist Ley Uwera has been following the situation over the past week, photographing residents as they fled…