UN warns of persistent corruption and violence ahead of S.Sudan polls

South Sudan has seen no progress on corruption or political stability, a United Nations commission warned on Thursday after touring the country ahead of its first-ever elections.

The government said it intends to hold the polls in December, 15 years after it achieved independence.

But the impoverished nation has seen increasing violence between forces allied to long-time rivals President Salva Kiir and imprisoned opposition leader Riek…