
US President Donald Trump attends a meeting Wednesday, September 25, on the sidelines of the UN General Assembly. A day earlier, the White House released a transcript of a conversation that Trump had in July with Ukrainian President Volodymyr Zelensky. According to the transcript, Trump repeatedly pushed for Zelensky to investigate Joe Biden, a former vice president and potential 2020 political rival. There is no evidence of wrongdoing by Biden. House Speaker Nancy Pelosi announced that she would be opening a formal impeachment inquiry on Trump. Trump has insisted he did nothing wrong in his phone call with Zelensky, saying there was "no pressure whatsoever."

House Speaker Nancy Pelosi walks past a bust of former US President Abraham Lincoln as she walks to her office at the Capitol on Tuesday, September 24. She gave a brief speech at the Capitol when she announced a formal impeachment inquiry into President Donald Trump.

Britain's Prince Harry is joined by his wife, Meghan, and their son, Archie, on a visit to Cape Town, South Africa, on Wednesday, September 25. The Duke and Duchess of Sussex are on a 10-day royal tour of Africa.

Protesters march in Hamburg, Germany, as part of the Global Climate Strike on Friday, September 20. The Global Climate Strike was the third in a worldwide series of climate rallies organized by school students.

A frog sits on a floating lotus leaf after it rained in Lalitpur, Nepal, on Thursday, September 26.

Haitian Senator Ralph Fethiere fires a gun in the air to disperse protesters outside the country's Parliament building on Monday, September 23. An Associated Press photographer, Dieu-Nalio Chery, was wounded during the commotion, but it was not immediately clear whether Chery was injured by Fethiere or if others were also firing guns. The chaotic scenes follow recent protests over fuel and food shortages, Reuters reported. Haiti has been struggling with power blackouts and rising fuel prices, sparking public anger against the government.

Jennifer Lopez closes out a Versace fashion show Friday, September 20, with an updated version of the famous dress she wore to the 2000 Grammy Awards. Photos: Highlights from Milan Fashion Week

Joseph Maguire, the United States' acting director of national intelligence, is sworn in before testifying to the House Intelligence Committee on Thursday, September 26. Maguire broke with President Donald Trump and his Republican supporters, defending the whistleblower who filed a complaint about Trump's phone call with Ukraine's president.

Couples attend a mass wedding at a municipal government building in Jiaxing, China, on Sunday, September 22.

This aerial photo, taken on Tuesday, September 24, shows the carnage left behind when a fuel tanker exploded in Bamako, Mali. Several people were killed in the explosion, which happened when the tanker swerved out of the way of a motorcycle, Reuters reported.

Swedish climate activist Greta Thunberg watches US President Donald Trump as he enters the United Nations to speak with reporters on Monday, September 23. Thunberg, 16, didn't mince words Monday as she spoke to world leaders during the UN Climate Action Summit. She accused them of not doing enough to mitigate climate change: "For more than 30 years, the science has been crystal clear. How dare you continue to look away?" Trump later mocked Thunberg on Twitter.

The launch of a Russian Soyuz rocket is seen from the International Space Station on Wednesday, September 25.

Actress Helen Mirren attends the London premiere of the television show "Catherine the Great" on Wednesday, September 25.

People recover belongings from the rubble of their damaged homes after an earthquake hit Pakistani-controlled Kashmir on Wednesday, September 25. At least 20 people were killed and hundreds were injured.

A BASE jumper leaps from the KL Tower in Kuala Lumpur, Malaysia, on Thursday, September 26. The tower has hosted BASE jumpers every year since 1999.

Ukrainian President Volodymyr Zelensky meets with US President Donald Trump on the sidelines of the UN General Assembly on Wednesday, September 25. Their phone call in July is under heavy scrutiny and has led House Speaker Nancy Pelosi to open a formal impeachment inquiry.

A helicopter drops water on forest fires in Kapuas Hilir, Indonesia, on Saturday, September 21. Toxic haze from the fires continues to affect residents across the country.

A dog lies down in front of members of the Venezuelan National Guard who were posted outside the National Assembly in Caracas on Tuesday, September 24.

A model takes part in a Dries Van Noten fashion show in Paris on Wednesday, September 25.

Opposition members of UK's Parliament watch Attorney General Geoffrey Cox speak on Wednesday, September 25. Cox called Parliament a disgrace, saying it is too cowardly to call for a snap general election. Parliament members had just returned to the House of Commons after a landmark ruling that saw Prime Minister Boris Johnson's suspension of Parliament declared unlawful by the Supreme Court.

Students clash with police during a protest in Jakarta, Indonesia, on Wednesday, September 25. Thousands of students took to the streets to protest a proposed criminal code that would usher in a raft of controversial new laws. The code would make consensual sex outside of marriage illegal, and it would effectively outlaw same-sex relations. It would also impose a possible jail sentence for anyone who helped a woman terminate her pregnancy.

Actor Billy Porter, star of the TV show "Pose," accepts an Emmy award Sunday, September 22, for outstanding lead actor in a drama series. He is the first openly gay black man to win in this category, according to the Television Academy.

Forensics officials study a missing person's skeleton at a laboratory in Medellin, Colombia, on Tuesday, September 24.

Former US Vice President Joe Biden, a Democratic presidential candidate, makes a statement to the press in Wilmington, Delaware, on Tuesday, September 24. He urged President Donald Trump to cooperate with lawmakers or face impeachment.

A "Bat-Signal" is projected onto a building in Mexico City as Batman fans celebrate the comic-book hero's 80th anniversary on Saturday, September 21. See last week in 28 photos