Eurostar has revealed plans to run double-decker trains through the Channel Tunnel for the first time.
The cross-channel rail operator has confirmed it will order up to 50 trains from manufacturer Alstom, eventually increasing the size of its fleet by nearly a third.
The expansion plans would include investing heavily in a crucial London depot, it said.
But questions remain over whether the facility has enough space for both Eurostar and potential rival operators to use it.
Subscribe here: http://bit.ly/1rbfUog
For more news, analysis and features visit: www.bbc.com/news
#Eurostar #ChannelTunnel #BBCNews
