HENLEY MP Boris Johnson will open the new pre-school building at Crowmarsh village school as the first event of his constituency day today.

He then has a private meeting with Dirk Jones, chairman of Sonning Common Youth Centre, and in the afternoon, he will relaunch Checkendon Post Office and Village Store.

And after a surgery at Berinsfield, Mr Johnson will speak at the Chiltern Centre Patrons Club launch, in Sonning Common.