BRIEF-Leader of Canada's main opposition party demands resignation of PM Trudeau

SNC-Lavalin Group Inc: * LEADER OF CANADA'S MAIN OPPOSITION PARTY SAYS PRIME MINISTER JUSTIN TRUDEAU MUST RESIGN, CALLS FOR POLICE PROBE INTO SNC-LAVALIN AFFAIR

* LEADER OF CANADA'S MAIN OPPOSITION PARTY SAYS HE WAS SICKENED AND APPALLED BY TESTIMONY OF FORMER JUSTICE MINISTER ABOUT SNC-LAVALIN CASE * LEADER OF CANADA'S MAIN OPPOSITION PARTY ALSO CALLS FOR RESIGNATION OF HEAD OF FEDERAL CIVIL SERVICE, WHO DEFENDED GOVERNMENT'S ACTIONS OVER SNC-LAVALIN

* LEADER OF CANADA'S MAIN OPPOSITION PARTY DOES NOT ANSWER DIRECTLY WHEN ASKED WHETHER HE WILL PROPOSE A MOTION OF NO CONFIDENCE IN TRUDEAU'S LIBERALS