Spanish journalist Jose Maria Irujo was named Wednesday as the winner of the 2014 King of Spain International Journalism Prize in the Press category for his story in Madrid daily El Pais on a 1980 murder by right-wing extremists.
News professionals from Argentina, Brazil, the United States and Nicaragua were also recognized in the 31st edition of the prestigious awards.
The prizes are organized by Agencia Efe and Spain's State Secretariat for International Cooperation and Ibero-America.
This year's jury, chaired by Secretary of State Jesus Garcia Aldaz with Agencia EFE President Jose Antonio Vera, reviewed 176 submissions from 19 different countries.
Pedro Armestre, a Spaniard who works for AFP, picked up the Photojournalism prize for a widely published image of last year's running of the bulls in Pamplona.
The award for Environmental Journalism goes to Octavio Enriquez of Channel 12 television in Nicaragua, who investigated illegal logging in the Central American nation.
A six-month series about illegal dredging in a river earned Brazilians Renata Borges Colombo and Fabio Almeida the King of Spain Prize in the Radio category.
Fernando Guillermo Irigaray's interactive documentary about the growth of drug trafficking in the Argentine city of Rosario was selected for the Digital Journalism award.
Univision, the dominant Spanish-language television network in the United States, snagged the prize in the Television category for a pair of September 2012 forums with President Barack Obama and Republican challenger Mitt Romney.
Sponsored by Spanish construction giant OHL, each of the prizes comes with 6,000 euros ($8,330) and a bronze sculpture designed by Joaquin Vaquero Turcios.
The Don Quixote Journalism Prize went to Spain's Martina Bastos Andreu for a February 2013 magazine piece on the significance of rain in the culture, language and everyday life of the northern Spanish region of Galicia. EFE