He was the Unionist Member of Parliament for Gainsborough , Lincolnshire from 1918 to 1923 , having unsuccessfully contested Bethnal Green North East in the two 1910 general elections . On 22 November 1920 Irish Nationalist MP Joseph Devlin raised the Croke Park massacre the previous day , causing uproar . Devlin continued to try to put his question and was assaulted by Molson who pulled him over the bench . The Speaker suspended the sitting for 15 minutes ; when it resumed , Molson apologised and Devlin was able to ask his questions and to get an answer . He lost his seat to the Liberal Sir Richard Winfrey in the 1923 general election
Croke Park massacre
Bloody Sunday (1920)
John Molson (British politician)