Original sentence: The Spanish general election of 1977 took place on June 15
Edited sentence: Additionally four explosions occurred in Pamploma and two in Cordoba.In Barcelona, 2,000 demonstrators gathered outside the building housing the local election board.In Seville, three people, including two policemen, suffered minor injuries when a bomb exploded at the magistrates' court.Other districts elected from 3 to 12 members.Seats were allocated using the D'Hondt method and only lists which polled 3% of the total vote (which included votes "en blanco" i.The Spanish general election of 1977 took place on 15 June 1977.The election results were a disappointment for the Communist Party which fell short of its objective of obtaining 30 to 40 deputies.The elections took place against the backdrop of a poor economic situation in Spain.The elections were held using closed list proportional representation in 52 electoral districts corresponding to the 50 provinces of Spain and the African enclaves of Ceuta and Melilla.The exceptions were Ceuta and Melilla which were single member districts.The largest districts Barcelona, Madrid and Valencia elected 32, 31 and 15 members respectively.They claimed they had not been included in the census which would have given them the right to vote.They were marred by demonstrations against alleged irregularities and bombings in many areas.Two policemen were also hurt when a Molotov cocktail was thrown at their vehicle.Voting was on the basis of universal suffrage in a secret ballot.for none of the above) were eligible for seats