In the last few minutes, the Montreal Canadiens organization released an unexpectedly official statement.
Head coach, Martin St-Louis, will not be behind the bench for his team tonight against the Calgary Flames.
"CALGARY – The Canadiens announced on Saturday that head coach Martin St-Louis will be taking an indefinite leave of absence for family reasons. Assistant coach Trevor Letowski will lead the team during his absence." - Montreal Canadiens
He will be absent for an indefinite period, so it's probably serious... Our thoughts are with the St-Louis family and Martin.
