North Korea has launched a long-range rocket which it claims is carrying 'a satellite'.
The launch was made in defiance of United Nations sanctions barring Pyongyang from using ballistic missile technology.
The US strongly condemned the event as a "destabilising and provocative action".
An emergency meeting of UN Security Council members is to be held to agree a collective response.
South Korea and the United States will begin discussions on deploying an advanced missile-defence system to Seoul in response to North Korea's recent ballistic missile tests.
US military officials said the sophisticated system called Terminal High Altitude Area Defence (THAAD) was needed in South Korea, to counter the growing threat of North Korea's weapons capabilities.
North Korea launched a long-range rocket earlier on Sunday carrying what it has called a satellite. South Korea, other countries and the US denounced the launch as a missile test.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.