The trial of Wall Street Journal reporter Evan Gershkovich on a charge of spying for the US government continued behind closed doors in a Russian court on Thursday, a court spokeswoman said. Witnesses were being heard, she said. Journalists attending the trial in Yekaterinburg 1,800 kilometres east of Moscow, as well as a British diplomat and other observers, had to wait in a separate room in the court building. The trial was originally to have continued on August 13, but the date had been brought forward at the request of the defence, the court said. The 32-year-old US citizen was arrested in…