Two of the tourists are still in hospital, including one who was stabbed six times, police said.
No one has been arrested.
The attack comes nearly two years after a Delaware tourist was shot and set on fire after police said he was warned not to take pictures while buying drugs. in La Perla. A friend of his was also hit but survived.
La Perla is located in the historic part of Puerto Rico’s capital known as Old San Juan and became famous after being featured in the video of “Despacito,” a song released in 2017 by Puerto Rican singers Luis Fonsi and Daddy Yankee.
The community was once a dangerous slum considered the island’s largest distribution point for heroin, but crime has fallen since a 2011 raid by federal agents.
