sentences:  As part of this development a line had opened in 1872 from Broadstone to Poole and this allowed trains to run directly from Salisbury to Poole and Bournemouth.The most serious accident in the history of the line occurred on 3 June 1884 when the 4.33pm Salisbury-Weymouth train detached from the engine and derailed about 1 and a quarter miles south of Downton.41 people were injured and 4 died.