BRIEF-Canada PM expels two former cabinet ministers from ruling Liberals' parliamentary caucus

SNC-Lavalin Group Inc: * CANADIAN PRIME MINISTER TRUDEAU SAYS BOTH FORMER CABINET MINISTERS AT CENTER OF POLITICAL CRISIS HAVE BEEN EXPELLED FROM RULING LIBERAL PARTY

* CANADIAN PRIME MINISTER SAYS HE CAN NO LONGER TRUST THE TWO FORMER CABINET MINISTERS, THAT IS WHY HE EXPELLED THEM FROM CAUCUS * CANADA PRIME MINISTER SAYS DECISION BY FORMER JUSTICE MINISTER TO SECRETLY RECORD A CONVERSATION WITH COUNTRY'S TOP CIVIL SERVANT WAS 'UNCONSCIONABLE' Further company coverage: (Reporting by David Ljunggren)