formed by PDL, PNȚ-CD, and FC. Opinion polling The PDL centred ARD alliance was formed late after the 2012 Romanian presidential impeachment referendum. As a result, some opinion polls do not include the ARD. Opinion polls that show PDL do not show ARD. UNPR joined USL in August–September 2012, in a sceptical environment. As a result, some opinion polls show both political entities. PNG-CD leader George Becali joined the PNL an runs backed by the USL in Bucharest. His former party did not propose any candidates for this election. Candidates Out of the 12 contesting parties running for the Chamber of Deputies and the Senate, only three submitted a full list of candidates: Social Liberal Union (USL), Right Romania Alliance (ARD), and the Democratic Alliance of Hungarians in Romania (UDMR/RMDSZ). People's Party - Dan Diaconescu (PP-DD) submitted a list with one candidate less than all the available colleges. Only one independent candidate decided to run for the Senate and 12 for the Chamber of Deputies. There were 18 national minorities associations proposing one candidate each for the Chamber of Deputies. Results The Social Liberal Union (USL) maintained majority in both the Chamber of Deputies and the Senate. Senate Chamber of Deputies Local referendums Two local non-binding referendums were also organized on 9 December, concerning environmental issues. The first one took place in Alba county and people were asked whether they were in favor or against the Roșia Montană mining project. Although 62% of those who voted voiced support for the controversial project, the referendum did not meet the required turnout of 50%, as only 43,2% of voters turned up. The second referendum was held in the communes of Limanu, Costinești as well as in the city of Mangalia and asked voters to say whether they were in favor or against the use, by Chevron, of shale gas extraction by means of hydraulic fracturing. This referendum failed to meet the required turnout as well. Incidents Although a report by the OSCE stated the elections were administered "professionally and efficiently", the electioneering, initiated on 9 November and ended on 8 December, was not without incidents. Dan Diaconescu, candidate from PP-DD in the same college of Chamber of Deputies in Târgu Jiu with Prime Minister Victor Ponta, is investigated for electoral bribery. Authorities were notified after PSD representatives within Gorj County Council filed a complaint regarding the distribution of food and the organization