Upcoming train strikes

[Mark V GTD]

Trying to book mainline service from Peterborough to London on Monday 19th but on line ticket app says 'Rail replacement bus' all day. Google says strikes are London Overground that day (not LNER East coast) so whats going on?

Anyone have a clue?

[Mark V GTD]

Wow ok thanks chaps. Never considered the possibility of engineering work on a Monday!!