The news comes as US President Donald Trump and Ukrainian President Volodymyr Zelenskyy met in Vatican City on the sidelines of the pope’s funeral to discuss a potential ceasefire deal.
Thousands protesting in Seoul cheered as the country’s Constitutional Court removed the beleaguered leader from office four months after he caused political turmoil by declaring martial law.
Satellite imagery from the specialised website N38 North appeared to show that the country’s first airborne early warning aircraft is near completion.
The warning came after Kim accused the US of escalating tensions on the Korean Peninsula through its alliance with South Korea and Japan.
At a meeting of the Workers’ Party of Korea (WPK) this week, North Korean leader Kim Jong-un criticised dozens of officials for drunken misconduct.
Yoon Suk-yeol appeared before South Korea’s Constitutional Court for the first time, defending his actions as a warning to the opposition, not a threat of violence.
The weapons test happened while US Secretary of State Antony Blinken was in Seoul for talks with South Korean officials.