Juba, Ramadan 7, 1436, Jun 24, 2015, SPA -- Cholera has killed at least 18 people in Juba, capital of South Sudan, in the last three weeks and the government will step up measures to counter the spread of the disease, the health minister Riek Gai Kok said on Tuesday. Juba has seen more than 171 suspected cholera cases so far in this outbreak, the health ministry said. Last year, 167 people died in South Sudan in a cholera outbreak, Reuters quoted the health ministry and the World Health Organization (WHO) as saying. --SPA 20:27 LOCAL TIME 17:27 GMT www.spa.gov.sa/w