The 49-year-old Tory says the climate of "abuse and anger" towards MPs means "now is the time".
Read moreMark Lancaster
MK elections: Result expected to be 'close'

Andy Holmes
BBC Three Counties Radio political reporter
The Milton Keynes Council vote is now well and truly under way, where the turnout has been 32.59%.
The feeling here is that it will be a close one, as the current make up of the council is no overall control.
The ruling party is Labour, after gaining support from the Liberal Democrats.
Copyright: BBCThe Conservative Milton Keynes North MP, Mark Lancaster (pictured), says he's pleased with the national local election results for his party saying "Labour don't look like a party moving forward".
As for the situation in Milton Keynes he says it "could be mixed set of results with parties losing and gaining, but I'm optimistic the Tories might end up as the largest party".
By Stephen Walker
BBC News NI Political Correspondent
Milton Keynes North MP reappointed armed forces minister
The MP for Milton Keynes North, Mark Lancaster, has kept his job as minister of state for the armed forces in Theresa May's cabinet reshuffle.
Mr Lancaster said he was "delighted" to be reappointed...


