Update: Deadly Dallas Shooting Leaves 5 Police Officers Dead, 7 Injured

What we know about the deadly shooting in Dallas last night:

• The shooting broke out late Thursday during what had been a peaceful protest against shootings by police officers that claimed the lives of black men in Minneapolis and Baton Rouge, La. Approximately 800 people were marching through downtown, accompanied by 100 police officers.

• 5 police officers killed; 7 more injured, some critically; 2 civilians also injured.

• According to the Los Angeles Times, the gunman has been identified as 25-year-old Micah Xavier Johnson. The Times reports he had no known criminal history or ties to terror groups.

• The Pentagon has reported, via CNN, that the shooter had served in the Army Reserves.

• During a stand-off with police, Johnson told police he wanted to kill white people, especially police. Police Chief David Brown told reporters the shooter was upset about police killings of black people.

“The suspect said he was upset about Black Lives Matter. He said he was upset about recent police shootings. The suspect stated he wanted to kill white people, especially white officers. The suspect stated he was not affiliated with any groups and he stated that he did this alone.”

• The police negotiated with the shooter for several hours, exchanging more gunfire. The suspect was eventually killed by an explosive device sent in remotely using a police robot.

• Three suspects have been taken into custody but are not cooperating with the police.

President Obama issued this statement:

2016 presidential nominees Hillary Clinton and Donald Trump issued these statements via Twitter: