The four countries, known as the Quad, share concerns about China's growing power and dominance of critical minerals, but relations have been tested by US President Donald Trump's global tariff offensive which has spared none of the members.

The senators have accused the 38-year-old premier of dishonesty and breaching ethical standards in violation of the constitution over a leaked telephone conversation with Cambodia's former premier Hun Sen. 

"Japan's monthly average temperature in June was the highest for the month since statistics began in 1898," said the Japan Meteorological Agency.

Any final summit declaration is not expected to mention the US or its president by name, but it is expected to be a clear political shot directed at Washington.

The letter was made public earlier this week  and titled as a "Declaration of Dissent." It accused the federal government of engaging in "harmful deregulation," "ignoring scientific consensus to benefit polluters" and "promoting a culture of fear" within the agency.

Washington went first, recalling its charge d'affaires John McNamara "following baseless and reprehensible statements from the highest levels of the Government of Colombia," State Department spokeswoman Tammy Bruce said, without giving specifics.

US attempts to end Russia's war in Ukraine through diplomacy have largely stalled, and Trump has faced growing calls - including from some Republicans - to increase pressure on Putin to negotiate in earnest.

Stopping the delivery of munitions and other military aid including air defense systems likely would be a blow to Ukraine as it contends with some of Russia's largest missile and drone attacks of the three-year-old war. 

US President Donald Trump has cut 83 percent of funding for overseas programmes run by development agency USAID, with France, Germany and Britain also slashing their aid commitments.

Two previous ceasefires mediated by Qatar, Egypt and the United States secured temporary halts in fighting and the return of Israeli hostages in exchange for Palestinian prisoners.

"The movement has delivered its response to the brotherly mediators, which was characterized by a positive spirit. Hamas is fully prepared, with all seriousness, to immediately enter a new round of negotiations on the mechanism for implementing this framework."

A press statement published by the Presidential Secretariat said that during the pilgrimage, Prabowo took the time to pray inside the Kaaba, the holiest site in Islam, and got the chance to kiss the Black Stone, also known as Hajar Aswad.