envoy ali ben omar has resigned. it's been two weeks since the saudi led coalition has produced air strikes over yemen. >>> colombia has once again conflict as ceasefire is ended against the farc rebels. >>> thursday marks the first anniversary of south korea's sewall ferry disaster in which 304 people mostly schoolchildren died. let's go straight to harry fawcett. who is in the capital. harry it's a somber anniversary marking a terrible event. >> it is a poignant day and anger ridden and controversial day. here where we should have been witnessing the main commemorative event what we are seeing instead is the chairman of the families committee telling the building assembled members here that there will be no commemoration because the families will need to stop hindering in their words an independent special investigation into exactly how the ferry sank and two to commit to raising the ferry from the sea bed in part in large part to try and recover the bodies of the nine people who are still missing. president park e

s envoy to yemen jamal ben omar resigns. the conflict shows no sign of ending. i'm nick clark live from our headquarters in doha. also coming up. colombia resumes strikes against farc rebels. >>> and a year after the ferry tragedy in south

ben speaking to many people in khartoum who are frustrated by the leadership. they say they want change. they don't see what presidential omar al-bashir will do different in the years he has been president. that's why the major opposition political parties are calling for a boycott of the elections. they're telling people not to show up and vote. they're saying that the environment is not conducive for multi party elections. they're talking about omar bashir and his government's crackdown on the opposition. >> catherine soi reporting. >>> a nigerian woman is dead after being staken for a boko haram bomber. tab thattabitha was beaten and set on fire while many watched. her parents say she suffered from a mental illness. >>> camps now belong to forces loyal to foreign president ali abdullah saleh who is accused of supporting the houthis. >>> turkey has recalled its ambassador to the vatican. the pope called the death of armenians after world war i quote, the first jen genocide of the 20th century, and reports say turkish officials are outraged. >> 100 years ago this month ottoman turks began rounding up armenian christians. 1.