The United States is withdrawing some personnel from bases in the Middle East, a US official said on Wednesday, after a senior Iranian official said Tehran had warned neighbors it would hit American bases if Washington strikes.With Iran’s leadership trying to quell the worst domestic unrest the Islamic Republic has ever faced, Tehran is seeking to deter US President Donald Trump’s repeated threats to intervene on behalf of anti-government protesters.For all the latest headlines, follow our Google News channel online or via the app.The UN Security Council is due to meet on Iran on Thursday at the request of the United States.A US official, speaking on condition of anonymity, said the United States was pulling some personnel from key bases in the region as a precaution given heightened regional tensions.“All the signals are that a US attack is imminent, but that is also how this administration behaves to keep everyone on their toes. Unpredictability is part of the strategy,” a Western