Action-packed week of UN General Assembly to begin. Here's what's on agenda

• More than 100 world leaders are expected for the annual UN General Assembly.

• Heads of state scheduled to attend the event include US President Joe Biden, UK Prime Minister Boris Johnson, Turkish President Recep Tayyip Erdogan and Brazilian President Jair Bolsonaro.

• US President Joe Biden will focus on ending the Covid-19 pandemic, combating the climate crisis and defending human rights, democracy and the international rules-based order in his first address as the US President to the high-level UN General Assembly session next week.

Biden will address the General Debate on September 21, the first address of his presidency to world leaders from the iconic General Assembly hall.