At least nine ambulances have been waiting at the site after the leader of the rescue operation said Tuesday's aim was to bring out all five as well as a medic and three Thai Navy SEALS, who have been with the trapped boys.
"Coordination and interaction with Thai military, Thai government, and other multinational civilians and government entities remains extremely positive and effective", he said.
The rescue chief said efforts were expected "quicker or at least as quick as yesterday".
The group had entered the sprawling Tham Luang cave to go exploring after soccer practice on June 23, but monsoon rains soon filled the tight passageways, blocking their escape.
An emergency team believed to be carrying one of the rescued boys from the flooded cave heads to the hospital in Chiang Rai in the Mae Sai district of Chiang Rai, northern Thailand. Highlighting the extreme dangers, a former Thai Navy SEAL died Friday while replenishing the oxygen canisters laid along the route to the boys' damp refuge. "His sacrifice will not be forgotten". "They are getting forced to do something that no kid has ever done before", Ivan Karadzic, a diver involved with the rescue mission told BBC.
Divers from Thailand and overseas, including the United States, China, Europe, and Australia have helped retrieve the boys, who are between the ages of 11-16.
A spokesperson from the Thai public health authority said that they were in "high spirits" and also claimed that as they are football players, they have high immune systems.
Eight boys were rescued in two separate missions and brought to a hospital in the nearby city of Chiang Rai all in good condition, according to public health officials.
"If, as we all hope, they are reunited with their families in the coming days and their health allows them to travel, Federation Internationale de Football Association would be delighted to invite them to attend the 2018 World Cup final in Moscow as our guests".
Tech billionaire Elon Musk shared new videos of a kid-sized submarine that engineers developed to help save the trapped youth soccer team inside the miles-long Tham Luang Nang Non cave in Chiang Rai Province, Thailand.
That led an upbeat Narongsak to promise more "good news" on Monday afternoon that materialised a few hours later with the emergence of the other four.
Still, health officials were wary of possible infections "because we have never experienced this kind of issue from a deep cave". Musk tweeted: "Just returned from Cave 3".
Thai Prime Minister Prayut Chan-ocha was scheduled to make a second visit to the scene late on Monday and the president of soccer's governing body, FIFA, Gianni Infantino, today invited the boys to the World Cup final in Moscow on Sunday if they make it out of the cave in time.
Doctors were being cautious because of the infection risk and were isolating the boys in the hospital.
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