First the line lost its train service, with replacement buses running, due to the withdrawal of a significant part of our train fleet caused by engine safety problems.
Mae cyfran o’r cyflenwad hwnnw eisoes wedi’i rhyddhau i feddygfeydd mewn ymateb i brinder a achoswyd gan fethiant cynhyrchwr brechlynnau i gyflenwi ei archebion.