China has raised the death toll from last week’s flash floods in the northwestern province of Gansu as large parts of the country continue to battle the impact of heavy rainfall and swollen rivers. State news agency Xinhua reported on Sunday that the death toll in Gansu’s Weiyuan county had risen from 10 to 25 following flash floods on July 26, which had also injured a further 23 people. The National Commission for Disaster Prevention, Reduction and Relief had asked the provincial government to...