Myanmar security forces killed hundreds of men, women and children during a systematic campaign to expel Rohingya Muslims, Amnesty International said in a new report Wednesday that calls for an arms embargo on the country and criminal prosecution of the perpetrators.

More than 580,000 refugees have arrived in Bangladesh since Aug. 25, when Myanmar security forces began a scorched-earth campaign against Rohingya villages. Myanmar's government has said it was responding to attacks by Muslim insurgents, but the United Nations and others have said the response was disproportionate.

Twitter vowed to crack down further on hate speech and sexual harassment, days after CEO Jack Dorsey said in a tweet-storm that the company was "still" not doing enough to protect its users.

The policy changes were specifically aimed at protecting women who unknowingly or unwillingly had nude pictures of themselves distributed online or were subject to unwanted sexual advances. They would also aim to shield groups subject to hateful imagery, symbols and threats of violence.

Harvey Weinstein has been kicked out of the group that awards the Oscars and his producers guild expulsion is a formality at this point, but now questions are being raised about what to do with others accused of wrongdoing who remain card-carrying members of the entertainment industry's most prestigious organizations.

Before Saturday, only one person is said to have had their Academy of Motion Picture Arts and Science membership revoked, and that was for loaning out awards screeners. And before Monday, the only people to have lost their Producers Guild of America standing were those who had failed to pay their dues. Now, both organizations have opened a can of worms in expelling Weinstein for conduct following more than three dozen accusations of sexual harassment, including from some of Hollywood's most well-known actresses.

President Michel's Aoun is determined to achieve results as for the return of displaced Syrians and his efforts will not stop at appealing to the international community for help to organize their return, al-Joumhouria daily reported on Tuesday.

President Donald Trump's decision to not re-certify the Iranian nuclear deal marks yet another key moment in relations between Iran and America, which has seen decades of mistrust and mutual recriminations. Iranian President Hassan Rouhani mentioned many of them in his reaction to Trump's decision Friday night.

Here are some of the key moments of that relationship:

After bruising political campaigns, Austrian political parties are heading into an election that could turn the country rightward after decades of centrist governance amid voter concerns over immigration and Islam.

Sunday's vote is coming a year ahead of schedule after squabbles led to the breakup last spring of the coalition government of the Social Democrats and the People's Party. A total of 16 parties are vying for 183 seats in the national parliament. But less than a dozen have a chance of getting seats.

The election of UNESCO's new chief has been narrowed down to two candidates, one from Qatar and the other from France.

The winner to be selected on Friday will succeed outgoing Director-General Irina Bokova, whose 8-year term leading the U.N. cultural agency was marred by financial woes and criticism over Palestine's inclusion as a member.

Spain marked its national day Thursday with a show of unity in the face of Catalan independence efforts, a day after the central government gave the region's separatist leader a deadline to abandon his secession bid.

The country is suffering its worst political crisis in a generation after separatists in the wealthy northeastern region voted in a banned referendum on October 1 to split from Spain.

A husband and wife from Colorado have dropped their bid to prevent a 2,300-year-old marble bull's head from being returned to Lebanon, where New York prosecutors say it had been stolen during the country's civil war in 1981.

Iran on Wednesday warned of a tough response if President Donald Trump presses ahead with his threats to scuttle the landmark 2015 nuclear deal.

Foreign Minister Mohammad Javad Zarif told lawmakers during a closed session of parliament that Iran "will never renegotiate" the deal brokered with the U.S. and five other world powers, the semi-official Fars news agency reported.