A Hudson, New Hampshire, man is accused of pretending to be a police officer.Hudson police officers were called to Adelaide Street at about 2:30 a.m. Friday after a taxi driver reported a possible robbery in progress. When officers arrived, they determined that two passengers in the taxi were not actually trying to rob the driver, but that one did tell the driver he was a police officer and then detained the driver.Francis O'Hearn, 23, of Hudson, was charged with false personating, criminal threatening, false imprisonment and simple assault.A second man, Daniel Carlo, Jr., 22, also of Hudson, was charged with receiving stolen property.Both O'Hearn and Carlo posted bail early Friday and were scheduled to be in court on Nov. 20.12967056