On Friday, Melania Trump and other spouses of G20 leaders were supposed to be on a cruise and tour a climate change center in Hamburg while the summit took place. But anti-capitalists protestors in the 'Welcome to Hell' march attacked police, throwing bottles and smoke bombs against the police's water cannons. Melania was forced to remain in her residence in Hamburg amidst the chaos but took the time to tweet about the mayhem on Friday. Tweet.