UN chief repeats call for Gaza ceasefire

Clear violations of humanitarian law in Gaza: UN head

UN chief 'deeply distressed' by Israel's siege plan

Vietnam News | UN Chief wraps up visit to Vietnam

Greta Thunberg to UN: We young people are unstoppable

Former UN chief Kofi Annan has died

U.N. chief says no alternative to two state solution in Middle East

Myanmar invites UN Secretary-General to assess so-called Rohingya crisis