Spanish police said Wednesday they dismantled two Russian criminal organizations and arrested 11 in connection with laundering more than €30 million (US$35 million).

Two men described in court as the "premier league" of firearms suppliers were jailed Monday for selling weapons from the dark web to organized crime gangs across the UK.

The Spanish High Court approved on Monday an investigation into the Industrial and Commercial Bank of China’s (ICBC) European headquarters on allegations that hundreds of millions of dollars were laundered through the bank’s Madrid branch.

Prosecutors asked a US court to deny requests made by a Ukrainian oligarch and a Hungarian businessman to have racketeering and other charges against them dropped, calling the men "upper-echelon associates of Russian organized crime."

Japan’s largest organized criminal group has published a manual for its members on how to avoid arrest under the country’s new anti-terrorism and organized crime law, The Asahi Shimbun reported Wednesday.

A brutal fight between rival gangs in a Mexican prison left 28 people dead and three wounded, media reports confirmed Thursday.

A new multinational effort was launched Wednesday to tackle grand corruption, a criminal category that can include bribery of public officials, embezzlement, abuse of power and money laundering of proceeds from crime.

Authorities in Serbia and Montenegro have in the past five years solved only four out of 83 murders that appear to be gang-related, Serbia’s Crime and Corruption Reporting Network, KRIK, said Monday.

The Tunisian government continued its anti-corruption campaign Friday, announcing the confiscation of property belonging to five businessmen and one customs official, Middle East Monitor reported.

Europol urged on Wednesday that users affected by this week’s "Petya" cyber-attack should not pay requested ransoms, because the proceeds fund organized crime.

Javier Valdez Cardenas, a well-respected Mexican journalist who covered drug trafficking and organized crime, was murdered in the northern Mexico state of Sinaloa on Monday, media reported.

A court in Belgium sentenced a former senior Yugoslav intelligence official on Wednesday for collaborating with organized crime figures to assassinate a Kosovar Albanian activist in Brussels in 1990.

An Austrian court approved the extradition of a suspected Russian mob boss whose gang is allegedly responsible for scores of murders, Russian media reported Tuesday.

Police in Italy launched nationwide raids on Tuesday uncovering what they said was involvement of the country’s 'Ndrangheta criminal organization in Milan’s Expo 2015, a massive event held from May to October last year that has been sullied by a number of cases involving infiltration by organized crime groups.

An ex-commander of the Kosovo Liberation Army (KLA) and former member of the country’s parliament was indicted Tuesday for allegedly leading an organized crime group that illegally obtained properties worth about €30 million (US$ 32.8 million).

Italian police arrested on Sunday the alleged ringleader of an international gang responsible for a sophisticated operation to steal cars from Europe, "launder" them, and send them to Africa.

Ernesto Fazzalari, 46, a mob boss of the infamous Ndrangheta crime syndicate, was arrestedas he slept in his hideout in the Calabrian mountains in Southern Italy.

The ministers of four different government agencies in Romania have been charged with setting up an organized crime group as well as abuse of office and complicity with embezzlement in relation to the privatization of a state-owned oil refinery.

After a series of forest fires broke out last week, officials in Sicily say that people linked to the mob, or their collaborators, are attaching burning rags soaked in petrol onto cats, and using them to start fires, the Telegraph wrote.

Police have arrested a 33-year-old Greek man in connection with an organized crime ring, which they say has been scamming the elderly since 2012.