Martin Dockrell, from the campaign group ASH (Action on Smoking and Health) explains why he believes it is right to regulate electronic cigarettes.
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The Liberal Democrats came second in the Anglia region at the 2010 General Election but face an tough challenge in 2015.
A chilly start, then mainly dry and sunny through the day. A few heavy showers may develop and move east towards the end of the afternoon.
Hundreds of people have taken part in the annual Maldon Mud Race in Essex