Ontario Premier Dalton McGuinty announced his resignation on Monday night. McGuinty led Canada's largest province for nine years and was elected to two consecutive majorities.

But his time in Ontario wasn't without scandal. Over the past nine years, scandals involving health care, mismanagement of government agencies and G20 security have dogged the Liberals.

We look back at some of the major scandals that have dogged Ontario's Liberals under Dalton McGuinty.

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  • Dalton McGuinty's Scandals

    When you lead Canada's biggest province for nine years you're bound to have some missteps. Ontario's Premier Dalton McGuinty has had his share of scandals and mistakes. <p>We highlight a few that caused him more headaches than usual. <p>Photo: Ontario Liberal Party

  • Health Premiums

    Back in 2004, a relatively new Liberal government under Premier Dalton McGuinty was forced to go back on a campaign promise not to raise taxes and instituted a health premium of between $300-$900. Photo: Alamy

  • Energy Plan

    In 2006, the Liberals tried to announce a new $46-billion energy plan that would see renovations of many of Ontario’s power plants. But the plan became a problem for the Liberals when <em>the Globe and Mail </em>revealed that the government tried to exempt their plans from environmental assessments. Photo: Shutterstock

  • eHealth

    The government’s plans to modernize medical records in the province ran into massive scandal when reports of overspending, waste and possible conflict of interest were revealed at <a href="http://en.wikipedia.org/wiki/EHealth_Ontario">eHealth</a>, the agency responsible for building a new electronic records system. The scandal forced the resignation of Health Minister David Caplan. <P>Photo: Shutterstock

  • G20 Police Laws

    Dalton McGuinty and the Liberals were criticized for laws giving police greater powers to ensure security during the <a href="http://www.cbc.ca/news/canada/toronto/story/2010/12/08/mcguinty-g20-ombudsman-report652.html">G20 in 2010</a>. The laws were seen by civil rights groups as draconian. Andre Marin, Ontario’s ombudsman also <a href="http://www.thestar.com/news/gta/torontog20summit/article/902817--ombudsman-charges-g20-secret-law-was-illegal">criticized the government</a> calling the laws and police action a massive violation of civil rights. <p>Photo: AP Files/Carolyn Kaster

  • Ornge

    Ontario’s air ambulance service, Ornge, <a href="http://www.huffingtonpost.ca/tag/ornge-scandal">caused another headache for McGuinty’s Liberals</a> after reports of financial irregularities, cost overruns, huge salaries for managers being kept secret and reports of kickbacks began to emerge in the media. <P>Photo: CP/Globe and Mail

  • Canceled Power Plants

    Hobbled by scandal and facing a resurgent Conservatives in the 2011 provincial election, the <a href="http://www.globaltoronto.com/timeline/6442734189/story.html">Liberals cancelled two power plants</a> in the GTA despite the fact it would cost taxpayers several hundred million dollars. Ontario's auditor general estimates those costs could climb to $1.1 billion. <P>Photo: Michelle Siu/CP

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