An investigation was launched Tuesday after a child died in San Jose, according to police.

Officers responded at about 1:40 p.m. to the 2500 block of Fontaine Road to investigate a report of an unresponsive child, police said.

First responders tried to save the child, but the child was pronounced dead at the scene, according to police.

Additional information wasn’t immediately known.

“As with all major injury or death investigations involving a child, the San José Police Department is conducting an investigation per Santa Clara County protocol and is working closely with the SCC District Attorney’s Office,” police said in a statement. “Investigations into child deaths are highly detailed processes that require extensive evidence collection and thorough follow-up to determine the cause and manner of death.”

Police said the investigation is active and ongoing.