Bicycles and backpacks belonging to a Thai soccer team sat outside the entrance of a vast cave complex where the teens remained trapped inside Thursday.
A U.S. military team and British cave experts joined the Thai navy seals to help search for the 12 boys and their soccer coach who entered the Tham Luang Nang Non cave on Saturday.
Relatives of the boys have stayed in tents outside the cave entrance around the clock, despite the rain, waiting for updates. A Buddhist monk led a prayer for them Thursday morning.
Authorities remain hopeful that the team found safety in dry places on higher ground within the cave to wait.
"We won't give up. That's the key here," said deputy national police chief Wirachai Songmetta.
President Donald Trump and Russia's Vladimir Putin will hold their first dedicated summit in the Finnish capital of Helsinki on July 16, both governments announced Thursday.
The meeting will be their first not on the sidelines of a larger gathering of world leaders.
"The two leaders will discuss relations between the United States and Russia and a range of national security issues," a White House statement said.
The Kremlin said the pair would talk about the "prospects for the development of relations between the two countries and current international issues," Russia's state news agency Tass reported.
Water guns, foam and powder help wash away last year's sins at Thailand's Songkran and Myanmar's Thingyan water festivals. The festival is often referred to as the world's biggest water fight and is one of Thailand’s biggest tourist attractions.
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