Brazil will play host to a summit of the BRICS bloc of developing economies Sunday and Monday during which pressing topics like Israel’s attack on Iran, the humanitarian crisis in Gaza and trade tariffs imposed by U.S. President Donald Trump are expected to be handled with caution, Associated Press reported.

Analysts and diplomats said the lack of cohesion in an enlarged BRICS, which doubled in size last year, may affect its ability to become another pole in world affairs. They also see the summit’s moderate agenda as an attempt by member countries to stay off Trump’s radar.

Brazilian President Luiz Inácio Lula da Silva will have some of his priorities, such as debates on artificial intelligence and climate change, front and center for the talks with key leaders not in attendance. 

China’s President Xi Jinping won’t attend a BRICS summit for the first time since he became his country’s leader in 2012. Russian President Vladimir Putin, who will make an appearance via videoconference, continues to mostly avoid traveling abroad due to an international arrest warrant issued after Russia invaded Ukraine, according to Associated Press.