It was quite busy but no arrival delays for us and I am guessing that the wait for a stand wasn't helped by the freezing weather, loads of de-icing going on. We thought at 1st that the closed 06R was someting to do with the apperent emergency but concluded that this wasn't the case as the equipment was clearly waiting along 06L and departures were halted for about half the time we were waiting for a stand (15 mins). Your conformation of its closure seems to support that theory!