April 1 (Reuters) - The following are the top stories from selected Canadian newspapers. Reuters has not verified these stories and does not vouch for their accuracy.
** The crash of an Ethiopian Airlines' Boeing Co 737 Max 8 aircraft and the investigation that has followed do not appear to affect Canada-U.S. trade in aviation and aerospace supplies and services so far, aerospace industry watchers say. tgam.ca/2OF1fnd
** Canadian National Railway said on Sunday it has reached tentative deals with the Unifor union on four new labour contracts covering 3,100 workers across Canada. tgam.ca/2OF2bIf
** Medison Biotech Ltd, the largest shareholder in Knight Therapeutics Inc plans to launch a proxy fight Monday for control of the $1-billion drug company, following a year-long activist campaign against Canadian pharmaceutical entrepreneur Jonathan Goodman. tgam.ca/2OAgtty
** Fiat Chrysler Automobiles NV's Windsor Assembly plant is the latest Canadian operation to be struck by both changing consumer tastes and the complex economic headwinds rattling the North American auto industry, analysts say. bit.ly/2OAuMP1 (Compiled by Bengaluru newsroom)