BRUSSELS (Reuters) – A group of European Union countries are pushing Brussels to produce plans this week for a bloc-wide cap on the price of gas, according to a letter seen by Reuters late on Tuesday. The EU proposed a package of emergency measures to tackle soaring energy prices earlier this month, but has steered clear of a gas price cap, an idea which has split the bloc’s 27 member states. Countries in favour stepped up pressure on Brussels, with a letter asking the European Commission to make proposals on a gas price cap for discussion at a meeting of EU energy ministers on Friday, followe…