Video newsfeeds from the UN General Assembly on Tuesday captured a range of positions on regional conflicts.
Trump, whose remarks were published by Al Jazeera, said the US-Iran meeting at the UN was 'very good', though no further details were provided.
Erdogan used his address to accuse Israel of a 'genocidal mindset', while Lula condemned the suffering in Gaza, saying the 'pain and trauma' would last generations.
Separately, Djibouti's minister appealed for aid for Yemeni refugees, highlighting the humanitarian dimensions of overlapping crises in the region.
A historical video on the 1994 Tutsi genocide in Rwanda was also featured, though it was unclear whether this was part of a UN session or a separate segment.
The remarks come as Qatar denounced what it called 'Israeli aggression across the region', according to an Al Jazeera headline.