Video seems to show Trump shoving NATO leader to get in front of him

During his first international tour, Donald Trump made a stop in Brussels to meet with NATO officials -- and footage suggests it wasn't a perfectly smooth encounter.

While walking with his peers, the president appears to shove Montenegro's prime minister, Dusko Markovic, out of the way so that he could be at the front of the group.

CNBC breaking news reporter Steve Kopack shared footage of the incident on Twitter:

Here it is again in slow motion:

Trump's light push surfaced just hours after GOP candidate Greg Gianforte reportedly body-slammed a reporter and broke his glasses in Montana.

See how people are reacting to the apparent shove: