Let's remove "Trump" from the equation. You're wondering if one country could invade a second country, for the purposes of invading a third countries embassy.

Let's remove "Trump" from the equation. You're wondering if one country could invade a second country, for the purposes of invading a third countries embassy. While that's physically possible, the international ramifications would be immense. It's one thing to bomb weddings in Yemen. It's an entirely different prospect to violate diplomatic immunity on an allies soil.