His comments followed a meeting with Lebanese House Speaker Nabih Berri and a visit to the port.
The UN annually marks Palestinian solidarity on the anniversary of the 1947 vote to partition territory under Resolution 181.
The meeting, which took place in the UN Headquarters in New York City on Friday, addressed the issues of Holocaust remembrance, education, research and historical documentation.
Dozens of Nobel Prize laureates signed a letter imploring UN Sec.-Gen. Antonio Guterres to investigate the 1988 mass murder of Iranian political prisoners.
Guterres also urged the US to "extend the waivers with regard to the trade in oil with the Islamic Republic of Iran, and fully renew waivers for nuclear non-proliferation projects."
Journalists covering the protests over Banat's death have also been beaten by PA security forces.
While many UN member states have hesitated to mention Hamas or its rockets, Guterres spoke out against both.
He added that he was also concerned by violence clashes between Israeli security forces in the West Bank and east Jerusalem as well as internal rioting.
We must make sure funds go where they are needed most."
The movement is trying to fight global challenges by establishing "coherent political force" working to solve them within elected bodies.