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Hello, I'm Eileen MacKue with the BBC News.

There has been heavy fighting south of the Libyan capital Tripoli after soldiers loyal to the UN-backed government said they had launched a counteroffensive against General Khalifa Haftar's forces. According to its website, Tripoli's international airport at Mitiga has been closed for security reasons. Sebastian Usher reports. There hasn't been much movement on the front lines of the outskirts of Tripoli in recent days, but forces fighting for the internationally recognized government are trying to take the battle to General Haftar and push his forces back. Once again, Tripoli residents heard shelling and rocketing gunfire. Two hundred and twenty people are so far reported to have been killed since General Haftar launched his offensive just over two weeks ago. The international response remains muted. General Haftar have support from several foreign powers who see him as a potentially stabilizing force in the chaos of post-revolution Libya.

A director at one of Brazil's top football club Santos has been forced to stand down after making racist comments. Nature of his remarks and the club's failure to sack him prompted a huge social media campaign across the country. Our America's editor Leonardo Rocha reports. In a recording leaked on Thursday, Adilson Durante-Filho said that mixed-race people were crooks and couldn't be trusted. Supporters of Santos immediately called for action. They said his racist comments were a disgrace for a club that had given the world players like Pele and Lima, all of them black or mixed race like the majority of the Brazilian population. The club issued a statement regretting the comments but refuse to act. After intense social media pressure, Mr. Durante-Filho has finally resigned.

A court in the Ukrainian capital Kiev has rejected a lawsuit calling for the man challenging Petro Poroshenko for the presidency to be barred from standing in Sunday's election. The eleventh-hour case against Volodymyr Zelensky's candidacy was brought by an individual who complained that the distribution of free tickets for a presidential debate amounted to bribery.

The United Nations says one of its peacekeepers in Mali has been killed and four others injured in an explosion on Saturday. The UN mission MINUSMA said the blast hit a convoy that was traveling close to the border with Burkina Faso. The soldier who died was part of an Egyptian contingent.

Turkey's governing AK Party has again appealed to the electoral authorities to cancel and rerun the vote for the post of mayor in Istanbul which had lost three weeks ago. The party's deputy chairman said thousands of voters had taken part in the poll despite being ineligible. The AK Party's candidate in Istanbul Binali Yildirim said the appeal process would continue at the Supreme Election Council.

This is the world news from the BBC.