An accountant and two former Revenue Canada officials are among four people arrested Thursday in a $4.5 million bribery scam.

Prime Minister Stephen Harper apologized Wednesday and said he was in the dark when his chief of staff gave $90,000 to Sen. Mike Duffy — a gift opposition MPs want investigated by the RCMP and probed by Parliament.

The NDP launched a "roll up the red carpet" campaign Wednesday to abolish the Senate in the face of a growing spending scandal that has followed Prime Minister Stephen Harper to South America.

Prime Minister Stephen Harper's chief of staff has resigned his post after helping Sen. Mike Duffy to repay $90,000 in improperly claimed expenses.

Tory MPs may not be in the mood for fireworks and barbecues over the Victoria Day weekend, amid a Senate expense claim scandal that forced Senators Mike Duffy and Pamela Wallin to leave the party caucus.

Mayor Rob Ford is denying “any such allegation” that he was caught on video “smoking crack cocaine,” according to his lawyer.

One of Prime Minister Stephen Harper's worst weeks in politics has ended with the exit of another high-profile senator from the Conservative caucus.

New Democrats want all records related to Mike Duffy's expenses made public in light of allegations he billed taxpayers while campaigning for Conservative candidates in the 2011 election.

Sun News Network has dismissed a CTV story based on one anonymous source claiming Sen. Mike Duffy tried to lobby the CRTC to approve Sun News's application for placement on basic cable.

Sen. Mike Duffy resigned as a Conservative senator Thursday night to sit as an Independent after new allegations were raised about inappropriate expense claims.

New allegations that Sen. Mike Duffy claimed questionable expenses during the 2011 election lit another fire under the critics on Parliament Hill, who are demanding the Senate ethics officer launch an investigation into Duffy's mysterious repayment of $90,000 in inappropriate housing allowance claims.

Chris Hadfield said Thursday morning that when he returned to Earth Monday night he had to re-learn how to talk.

A 27-year-old man accused in the deadly abduction of Tim Bosma was in court to be formally charged with first-degree murder Wednesday.

Sharlene Bosma says she is “broken.”

Even at his own funeral, the Peter Worthington stories were legendary.

A new study from the University of Ottawa suggests suicide may be contagious among young people, especially when they hear stories of others killing themselves.

The Monarchist League of Canada has come out against a call to give Victoria Day a new name.

The NDP has dialed 911 on the Senate expense scandal.

Prime Minister Stephen Harper darts off to South America Tuesday as his party and office attempt to put a lid on an explosive Senate firestorm at home.