Costa Rican authorities told reporters that carbon monoxide poisoning may caused the mysterious death of former Yankees star Brett Gardner's son, Miller.

Late last month, former New York Yankees star Brett Gardner and his wife, Jessica, announced the death of their 14-year-old son, Miller. "With heavy hearts we are saddened to announce the passing of our youngest son,

Costa Rican officials said Monday night that the 14-year-old son of former New York Yankees player Brett Gardner may have died from carbon monoxide poisoning.

The Costa Rica hotel where former Yankee Brett Gardner's son Miller died on March 21 has refuted a claim that the 14-year-old died of carbon monoxide poisoning in a statement issued to PEOPLE on Tuesday,

The statement refutes a Monday announcement by Costa Rican authorities that there were “high levels of carbon monoxide contamination” in the room where 14-year-old Miller Gardner was found

The Costa Rica hotel where Brett Gardner's 14-year-old son Miller Gardner died alleged officials made "an error," saying the level of carbon monoxide found in the family's room was "non-lethal."

Miller Gardner, the 14-year-old son of former New York Yankees player Brett Gardner, may have died as a result of carbon monoxide poisoning, authorities in Costa Rica announced on Monday.

Miller Gardner, 14, died in his sleep on March 21 after he fell ill during a vacation in Costa Rica, according to a statement by Brett Gardner and his wife, Jessica.

Merely having a carbon monoxide detector is not enough if they aren’t tested regularly and replaced every few years, Charon warned