"We are standing up for America and for the American people".
Laver Cup: Dimitrov, Edmund win to give Europe 2-0 lead
However, Anderson and Team World trail Team Europe 7-5 going into the final day of the three-day exhibition event. Isner had a hard loss Saturday in the Laver Cup , falling to Zverez, who rallied for a 3-6, 7-6, 10-7 victory.
The president responded: "I didn't expect that reaction, but that's OK".
As assembled global dignitaries started to chuckle, Trump interrupted his prepared remarks and insisted, "So true".
"We can not allow the world's leading sponsor of terrorism to possess the planet's most unsafe weapons", Trump said, in an allusion to Tehran's support for militant movements such as Hamas and Hezbollah.
Trump also said he expects countries with on-the-ground US troops to pay their "fair share for the cost of their defense", a statement that appeared to be aimed at North Atlantic Treaty Organisation, and allies like South Korea and Japan.
Iran points finger at Arab separatists for deadly attack
Both Daesh and an anti-government Arab group called the Ahvaz National Resistance, claimed responsibility for Saturday's attack . Initially, authorities described the assailants as "takfiri gunmen", a term previously used to describe the Islamic State group .
While Trump appeared surprised at the time - and said as much - he later claimed to reporters that that part of his speech "was meant to get some laughter".
Khamenei said on Monday the attackers had been paid by USA ally Saudi Arabia and the United Arab Emirates, and that Iran would "severely punish" those behind the bloodshed.
Trump addressed the General Assembly after a news-filled day at the United Nations, where he vowed to continue sanctions against Iran to take down its nuclear programme and signed a revised trade deal with South Korean President Moon Jae-in. They do not respect their neighbours or borders, or the sovereign rights of nations.
Speaking to the United Nations General Assembly in New York, Trump said his Singapore summit with North Korean leader Kim Jong-un in June was "highly productive".
Sacked ABC boss Michelle Guthrie considers legal options
Despite offering praise for some of Ms Guthrie's work, Mr Milne said her "leadership style" was a factor in the board's decision. Her mission as managing director, as she saw it, was to ensure the national broadcaster's longevity for future generations.