Our selection of some of the most striking news photographs taken around the world this week. Image copyright Adam Pretty\/Getty images Image caption Japan's Naomi Osaka is pictured during her match against Johanna Konta of Great Britain during the Porsche Tennis Grand Prix at Porsche Arena in Stuttgart, Germany. Konta, who left the court in tears after being verbally abused by Romania captain Ilie Nastase in a Fed Cup tie last week, won 7-6 (7-5) 3-6 6-1. Image copyright UESLEI MARCELINO\/Reuters Image caption Members of indigenous groups clashed with riot police in the Brazilian capital, Brasilia, on Tuesday. Thousands gathered in front of the Congress building to demand more land rights and protest against the encroachment of their land by loggers and farmers. Campaigners say 13 indigenous people died in land conflicts last year. Image copyright CHRIS WATTIE\/Reuters Image caption A group of migrants who said they were from Djibouti and Somalia walk along railway tracks after crossing the Canada-US border in Emerson, Manitoba, Canada. Image copyright Stefan Rousseau\/PA Image caption Labour leader Jeremy Corbyn is kissed by a supporter at a rally in Harlow, Essex. Following comments made by Foreign Secretary Boris Johnson, Mr Corbyn said: "We're eight days into the election campaign and the Tories have reduced to personal name calling. I've never been involved in that and never will be." Image copyright CHRISTIAN HARTMANN\/Reuters Image caption Heaters are lit early in the morning to protect vineyards from frost damage outside Chablis, France, Image copyright MARCOS BRINDICCI\/ REUTERS Image caption Ice formations are seen on the Andes mountains in Argentina's San Juan province. Image copyright NIKLAS HALLE'N Image caption Firearms officers from the Metropolitan Police detained a man near the Houses of Parliament in central London on Thursday. The 27-year-old, who has been identified as Khalid Mohamed Omar Ali, was arrested on suspicion of possession of an offensive weapon and preparing for acts of terrorism. Image copyright OGNEN TEOFILOVSKI\/REUTERS Image caption Macedonian Social Democratic leader Zoran Zaev was escorted to safety after being injured by protesters who had stormed the parliament to demand new elections. Supporters of ex-Prime Minister Nikola Gruevski's VMRO party entered the building causing a brawl during which scores of people were injured. Image copyright CARSTEN KOALL\/EPA Image caption US President Donald Trump's daughter and assistant Ivanka Trump walks among steles at the Memorial to the Murdered Jews of Europe, also called the Holocaust Memorial, in Berlin, Germany. Ms Trump was in the city attending the W20 conference to promote women's economic empowerment. Image copyright Mike Hutchings\/REUTERS Image caption A bolt of lightning strikes over harbour cranes in Cape Town, South Africa. All photographs are copyrighted.