Britain, America's top European ally, could formally refuse Donald Trump's call for help in waging war against North Korea, so long as Kim Jong-un does not strike Hawaii or the United States mainland.
More than 60 Democratic lawmakers have expressed their "profound concern" over US President Donald Trump's threatening rhetoric about North Korea, insisting that any military attack "must be debated and authorized by Congress".
Trump raised alarm around the world - and particularly in Asia - by warning that North Korea would face "fire and fury like the world has never seen" if it were to keep threatening the US.
Given the fact that all that stands in the way of North Korea conducting such a missile test is final approval from Kim, let's look at facts that most people may not know about the secretive world leader.
"At the end of the day if the North Koreans evolve into a fully replete nuclear weapons state with ICBMs (intercontinental ballistic missiles) with miniaturised warheads on top then, well, the Chinese view is, the U.S. will then just have to accept that reality", Mr Rudd said.
Recent missile tests have put worldwide attention on North Korea, a country vying to be the world's next nuclear power.
He added: "We can not play fast and loose with nuclear weapons and nuclear threats because do you know what - a nuclear explosion doesn't stop at national borders, it doesn't stop at the vicinity where the bomb drops".
"Our government must not drag our country into any military action over the Korea crisis, including joint exercises", he wrote in the Sunday Mirror. "There can be no question of blind loyalty to the erratic and belligerent Trump administration". "Hopefully Kim Jong Un will find another path!"
President Trump over the past week has intensified his rhetoric against North Korea.
"Military solutions are now fully in place, locked and loaded, should North Korea act unwisely".