ROME (REUTERS).- Another part of the 2,000-year-old Roman-era site at Pompeii crumbled on Tuesday, provoking attacks on the Italian government from critics who say two collapses in a month underscore a need for urgent action. Officials said a seven-meter (yard) long section of a modern retaining wall in the garden of the “House of the Moralist” at the archaeological site collapsed after heavy rains. The collapse was a new headache for the government of Prime Minister Silvio Berlusconi, which will face a no-confidence motion on other issues on December 14 that could lead to early elections. The opposition has demanded Berlusconi’s culture minister Sandro Bondi resign, adding to the tensions ahead of the vote. The wall, made of tuffo stone and mortar, was part of