Thanks but the allegation quoted by @vvaannmmaann was "Labour leaflets being distributed outside and inside polling stations", which would have been a definite no-no if it really happened. In the absence of any evidence to the contrary it sounds to me like a typical election day rumour.I had a Labour leaflet delivered on the day of the election. Mind you, included in the blurb on how to vote Labour was an offer to collect and drive to the Polling Station. Not sure if that is legal but it went straight in the recycling - and Labour were kicked out here!
It isn't illegal to offer a voter a lift to the polling station, as long as it isn't on condition they vote in any particular way.