They needed at least 28 more votes from Ms Park's Saenuriparty for the impeachment.
2
Until recently, Ban had been tipped to run as a member of Park's conservative Saenuriparty.
3
Ms Park's SaenuriParty holds a narrow majority in parliament and is said to favour lower taxes and big business.
4
Media reports said she may make a speech this week offering to step down in April, a recommendation made by her conservative SaenuriParty.
5
Her conservative SaenuriParty saw its support rating overtaken by the main opposition Democratic Party, trailing by 4 percentage points at 26.5 percent.
1
Park has successfully distanced herself from the unpopular incumbent, Lee Myung-bak, a fellow member of the rightwing NewFrontierparty.
2
The campaign has been dominated by the growth in the income gap and youth unemployment that have taken place under her NewFrontierparty.
Uso de grand national party em inglês
1
The ruling and conservative GrandNationalParty said it has no plans to introduce legislation.
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His closest rivals are the candidate of the ruling GrandNationalParty, Mr Lee Hoi-Chang.
3
Lawmakers in the ruling GrandNationalParty say a South Korea-U.S. free trade pact now pending in parliament may not be ratified until April.
4
President Lee Myung-bak's conservative GrandNationalParty used its majority to approve the bill, while opposition members walked out in protest against the mission.
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South Korea's main opposition party, the GrandNationalParty, said today it would end a parliamentary boycott which has crippled the legislature since last week.
6
But the main opposition GrandNationalParty, with sufficient numbers to hold up the choice, had forced Mr Kim Jongpil to serve as acting premier.
7
The popularity of Lee's conservative GrandNationalParty is falling amid a public outcry over the widening wealth divide, high prices and disappointing job growth.
8
Hong Joon-pyo, the leader of a ruling GrandNationalParty parliamentary faction, recently proposed selling a stake in Woori to low-income earners at a discount.
9
- Infighting in Lee's conservative GrandNationalParty is widely held responsible for sharply reducing its winning margin in April's parliamentary election.