Fuerza Pública officials said that their officers detained 300 persons as of Sunday during the Festejos de Puntarenas or Puntarenas carnival.
Some 157 persons were detained for drug possession, said Juan José Andrade, director general of the police agency. Officers were able to confiscate eight firearms and 12 knives, he said. Five persons were held as immigration violators. Police also confiscated marijuana, crack and cocaine, he said.
The preventative effort was done in conjunction with the Judicial Investigating Organization.