The Foreign Office said officials were supporting the family of British boy who has died in Spain.
"We are aware of the death of a British national in the Malaga region of Spain," a spokesman said.
"We are providing consular assistance to the family at this sad time."
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He told People Magazine: "I was in denial, but a part of me always knew this was coming."
A compound within the Conus regius snail's venom has been found to create long-lasting pain relief.
NASA says the phenomenon is "quite unusual to see".