Poplar trees, the Pope and paddling: Photos of the week

A selection of news photographs from around the world.

Image source, Justin Tallis/PA Media

Image caption, Queen Camilla meets Gladiators Nitro aka Harry Aikines-Aryeetey and Fire aka Montell Douglas, at a reception to celebrate the final of BBC's creative writing competition 500 Words, at Buckingham Palace, London.

Image source, Andre Coelho/EPA-EFE

Image caption, People paddle in the sea at Copacabana Beach, in Rio de Janeiro, Brazil.

Image source, Dylan Martinez/Reuters

Image caption, Nuns pray in front of the statue of late Pope John Paul II outside Gemelli Hospital, where Pope Francis continues his treatment for pneumonia, in Rome, Italy.

Image source, Adam Vaughan/EPA-EFE

Image caption, Poplar trees next to Sefton Park Allotments in Liverpool cast long shadows in the evening sun.

Image source, Mike Blake/Reuters

Image caption, Academy Awards host Conan O'Brien pushes the rolled red carpet during its rollout for the 97th Academy Awards in Los Angeles, California.

Image source, Chaideer Mahyuddin/AFP

Image caption, A leatherback sea turtle hatchling swims away after its release at Lhoknga beach in Indonesia's Aceh province.

Image source, Ida Marie Odgaard/Ritzau Scanpix/AFP

Image caption, Michelangelo's David is moved into the National Gallery of Denmark in Copenhagen for an exhibition about the sculptor's life.

Image source, Carl Court/Pool/Reuters

Image caption, During a visit to the White House, Prime Minister Sir Keir Starmer presents US President Donald Trump with an invitation from King Charles III for a second state visit to the UK.

Image source, Lisa Leutner/Reuters

Image caption, Couples dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria.

Image source, Ina Fassbender/AFP

Image caption, Carnival goers cheer in front of Cologne Cathedral during the launch of carnival season.