#CNNVideo

Dallas Police call dispatch for help after gunmen opened fire during a protest march, killing five officers.

China's huge Y-20 freighter plane is part of a massive program to modernize China's armed forces.

The White House released a list of earned income for 469 White House office staff and it shows that 16 staffers pulled in the maximum yearly salary of $176,461.

Shooters killed five officers during protests against police in downtown Dallas, marking the deadliest incident for U.S. law enforcement since September 11, 2001.

His DS Virgin Racing team have had a mixed Formula E 2015-16 season but the Virgin boss thinks that electric vehicles are emphatically on the up.

With tensions on the rise between Russia and the West, and a major party nominee calling the alliance obsolete, Nic Robertson looks at NATO's evolving role.

Swedish tennis legend Bjorn Borg loves Wimbledon. He speaks to Open Court's Pat Cash about his love of SW19 and his friend-foe rivalry with John McEnroe.

On "The Hunt," John Walsh profiles the case against John and Julieanne Dimitrion who were indicted for and pleaded guilty to mortgage fraud. The couple failed to appear for sentencing.

President Obama, in Warsaw Poland for a NATO meeting, responds to the shooting of over 10 police officers in Dallas.

Sen. Jeff Flake says that Donald Trump threatened to work against his re-election bid if Flake did not support the presumptive GOP presidential nominee. CNN's Sunlen Serfaty reports.

Ismael Dejesus saw the Dallas shooting from his balcony. He tells Don Lemon what his video shows.

Police Chief David Brown says his officers are in negotiations and exchanging gunfire with a suspect connected to the shootings that killed multiple police officers who is holed up in a garage in downtown Dallas.

Video shows some of the Dallas shooting as it happened from a balcony across the street.

Video posted on Facebook Michael Kevin Bautista captures gunfire in Dallas.

CNN affiliate KTVT is reporting that two Dallas police officers have been shot near the scene of a protest against the police killings of Philadro Castile and Alton Sterling.

CNN's Randi Kaye looks back at the history of police killings caught on tape.

Shots were reported fired in downtown Dallas on during a protest over shootings by police of black men in Louisiana and Minnesota, CNN affiliate KTVT said. A witness describes the scene to Don Lemon.

Beyoncé posted an open letter on her website on and held a moment of silence for Alton Sterling and Philando Castile at her concert in Glasgow, Scotland.

CNN's Stephanie Elam has more information about Howie Lake and Blane Salamoni, the Baton Rouge police officers seen on camera shooting and killing Alton Sterling.

Demonstrators protesting the police shootings of Alton Sterling and Philando Castile sing 'We Shall Overcome' outside the capitol building in Washington.