Multiple news outlets are reporting that protesters are scrambling after gunshots were heard at a demonstration in Dallas over recent fatal police shootings of black men, addressed by the president today as he arrived in Poland.

ABC7 is reporting that two officers have been struck by gunfire.

Update:

Update: The suspect is described as a black male wearing camouflage and carrying an AR-15 rifle.

Update:

Update:

New reports say that as many as six police officers have been shot, and that there might be two suspects, not one.

Terrible news: at least one officer is being reported killed, and possibly three.

Update:

Dallas police have released a photo of one of the suspects being sought.

Update:

Update:

Sadly, it’s been announced that a fifth officer has died:

An update on the suspects:

Twitchy will update this post as details emerge.

Editor’s note: Twitchy has updated the headline to this post to reflect the must current official data available from the Dallas Police Department.