Thread by @MichaKobs

#OSINT challenge for boring summer days:

Two good guys have a nice day...

...when suddenly a black smoking thing is thrown into the picture at a shallow angle from behind the column.

...and explodes.

There are plenty of sparks, the tank from the motorcycle catches fire, but fortunately for the unfortunates, no bomb fragments fly around. And even the shock wave is not able to overturn the motorcycle.

The cameraman's left shoulder begins to bleed. He loses at least two liters of blood in a few video frames and the blood runs as if you were pouring out a can.

Then the blood also runs from above over his helmet camera. A phantom body part that grew on top of his helmet seems to be hit hard.

He looks around with the bloody camera and spots the burning motorcycle. At least it is still standing, so nothing serious.

The cell phone also still works, but has received some splashes. Only the White Helmet sits on his butt and has apparently already died.

Another nice man runs away bleeding heavily. He turns his back on us, so unfortunately we can't see the injury.
Note the shadow of the helmet camera, on which the blood streamed from above. Fortunately, this bleeding seems to have stopped.

The other bleeding also stops half a meter further down the road. What a luck!

Here we see the lightning-healed guy kneeling at the corner and thinking about whether he did it well. The White Helmet has turned around in our back and decided he'd rather lie on his stomach.

The road does not appear to have sustained any damage. Only the young guy from the beginning in his blue shirt is now lying upside down in the pool of blood from the injured helmet camera.

But all joking aside! The only one we don't see again is the guy with the can of blood, who had waited in the house, poured the blood over the camera and then disappeared again.

Or do we see him again after all? Have we seen him before? Judging by the shoes and pants, the guy in the house is the guy in the black and white adidas suit.
At least the Adidas suit didn't get stained when the two liters of blood ran over the camera. Let's be glad he's okay.

Btw, there is more to discover. A small shadow flying into the picture from left to right before the explosion. Since the sun is shining from left behind the house, this is definitely not a shadow from a falling bomb. Such a shadow would move from right to left. So, what is it?

This shadow moves about 1 meter during one frame (25...30m/s). This corresponds to the throwing speed of a handball.
So the only permissible conclusion is that Assad and the Russians waited behind the house on the left to throw this thing into the frame.

Anything to add @bellingcat?

Otherwise, stay stupid be happy!

Some additional information that might be helpful in that challenge: