Donald Trump: 'Our country is now in serious trouble'

Staunch Republican Donald Trump has taken to Twitter to launch an attack on the election results, calling it "a travesty" and an "injustice".


We can't let this happen. We should march on Washington and stop this travesty. Our nation is totally divided!


Lets fight like hell and stop this great and disgusting injustice! The world is laughing at us.


Our country is now in serious and unprecedented never before.


US election result reaction

Reaction from around the world as Barack Obama secures a second term in the White House, defeating Republican Mitt Romney.