More leading Democrats endorse Kamala Harris

Leading Democrat governors from across the United States have added their support for Vice- President Kamala Harris on the first full day of her campaign to become her party's presidential nominee. They join President Biden who endorsed her shortly after pulling out of the election process on Sunday.

We bring together voters from swing states to share what they make of Biden's decision and Kamala Harris's cadidacy.

We also discuss international reaction to the developments in Washington with our experts on Ukraine, the Middle East and Latin America.

The director of the US Secret Service, Kimberly Cheatle, has told the US Congress that the assassination attempt on former President Donald Trump nine days ago was the most significant operational failure at the Secret Service in decades. We speak to our reporter who is covering the hearing.

A convicted South African murderer who shot dead dozens of black men during apartheid has told the BBC the police sanctioned his violence. We speak to our reporter who investigated.

Presenter: Andrew Peach.

(Photo: U.S. Vice President Kamala Harris, looks on during an event with the women and men's National Collegiate Athletic Association (NCAA) Champion teams in her first public appearance since President Joe Biden dropped out of the 2024 race, on the South Lawn of the White House, Washington, U.S., July 22, 2024. Credit: Nathan Howard/Reuters)