BRIEF-Canadian PM says he strongly maintains that he and his staff always acted appropriately in Snc-Lavalin case

SNC-Lavalin Group Inc:

* CANADIAN PRIME MINISTER JUSTIN TRUDEAU SAYS "THIS HAS BEEN A DIFFICULT FEW WEEKS" BECAUSE OF INTERNAL DISAGREEMENTS IN RULING PARTY * CANADA'S TRUDEAU SAYS HE STRONGLY MAINTAINS THAT HE AND HIS STAFF ALWAYS ACTED APPROPRIATELY IN THE SNC-LAVALIN CASE, COMPLETELY DISAGREES WITH TESTIMONY OF FORMER JUSTICE MINISTER

* CANADIAN PRIME MINISTER JUSTIN TRUDEAU SAYS HE WAS WORRIED ABOUT JOBS AT SNC-LAVALIN AND THE IMPLICATIONS FOR PENSIONERS * CANADIAN PM, ASKED ABOUT OPPOSITION LEADER'S DEMAND HE QUIT, SAYS CANADIANS WILL HAVE A CLEAR CHOICE IN OCTOBER'S FEDERAL ELECTION

* CANADIAN PM SAYS HE HAS NOT YET DECIDED WHETHER THE FORMER JUSTICE MINISTER SHOULD STAY IN HIS LIBERAL CAUCUS OF LEGISLATORS Source text for Eikon: Further company coverage: (Reporting by David Ljunggren)