

A burned out car is seen on a street in Kaduna, Nigeria, on April 19. Charred corpses with machete wounds lay in roads and smoke rose above this city where rioting broke out again among Muslim opposition supporters who were angered by the announcement that Goodluck Jonathan, the Christian incumbent president, had won the election. Sunday Alamba/AP
A man rides a bicycle past burned vehicles on a street in Kaduna, Nigeria, on April 19. Sunday Alamba/AP
A victim of post-election violence waits for treatment at St. Gerard's Hospital in Kaduna, Nigeria, on April 20. More than 200 people have been brought to the hospital, and at least 20 have died. Sunday Alamba/AP
A victim of post-election violence talks on a cellphone as he waits for treatment at St. Gerard's Hospital in Kaduna, Nigeria, on April 20. Sunday Alamba/AP
Burned cars litter the roads after election violence in Kaduna, Nigeria, on April 19. Sunday Alamba/AP
A nurse pushes a victim of post-election violence in a wheelchair for treatment at St. Gerard's Hospital in Kaduna, Nigeria, on April 20. Sunday Alamba/AP
A burned market is seen on a street in Kaduna, Nigeria, on April 19. Sunday Alamba/AP
A nurse tends to a victim of post-election violence at St. Gerard's Hospital in Kaduna, Nigeria, on April 20. Sunday Alamba/AP