The Serbian government has banned events in Belgrade commemorating the 20th anniversary of the Srebrenica massacre, after threats were made by right-wing extremists.

An official memorial will take place in Srebrenica however activists intended to hold a gathering outside the Serbian parliament in the capital.

Serbia's Interior Minister Nebojsa Stefanovic said he had taken the decision to guarantee "peace and security in the whole of Serbia", but organiser Dusan Masic, said it was "scandalous", and showed "where Serbia is in 2015".

US Secretary of State John Kerry said that Russia and China were not existential threats to the the country.

A US State Department spokesperson, Mark Toner, speaking at a press brief, said,

Colombia's Farc rebels have declared a month-long unilateral ceasefire, after an increase in violent incidents between the group and the government in recent weeks.

Chief negotiator of the group at talks with the government, Ivan Marquez, said he hoped the ceasefire, starting on 20 July, could lead to a bilateral truce.

Mr Marquez said the truce would "create favourable conditions in order to advance with the opposing side toward a bilateral and definitive ceasefire."

The government welcomed the move but said more was needed.

The root causes of last year’s conflict in Gaza remain unaddressed despite a growing humanitarian crisis said the UN in a statement made on Wednesday.

Nuclear talks between Iran and the so-called P5+1 have been extended by three days after disagreements over the lifting of an arms embargo on the country.

Western diplomats remained hopeful that a deal would be reached and the differences between Iran and the five UN Security Council members plus Germany, who are conducting the talks, continued to narrow with every passing hour and that only a few significant issues remained unresolved. UK Foreign Secretary Philip Hammond said there was “clear will on both sides” to get the deal completed.

An Australian citizen who is a former Croatian war general will be extradited to face trial in Croation over coming days reports SBS.

Dragan Vasiljkovic, also known as Daniel Snedden, who has been fighting extradition for almost a decade, will face trial in the Croatian city of Split for alleged involvement in war cries during the Balkan conflict in the 1990s.

Mr Snedden’s  lawyer, Darko Stanich, who will defend him in court, said,

The government of the United States has given the go-ahead to the world's largest cruise company to commence trips to Cuba from Miami, the latest move in the thawing relationship between the two countries.

Carnival Corp said it was still awaiting approval from the Cuban government but the trips could start early next year.

The announcement comes as the US state department expressed concern about the detentions of around 100 people in Cuba on Sunday.