Lawmakers in South Korea's ruling People Power Party are still likely to vote against a motion to impeach President Yoon Suk-yeol after holding crunch talks.

Yoon plunged the country into chaos late on Tuesday by declaring emergency martial law. The measure was overturned in parliament just hours later.

PPP lawmakers have been discussing the issue at a plenary meeting starting on Friday. They will meet again on Saturday to finalize their stance ahead of the impeachment vote at 5 p.m.

South Korea's opposition parties want Yoon stripped of the presidency. The largest, the Democratic Party, and five others submitted the motion to have him impeached.

The measure will pass if at least two-thirds of the National Assembly approve. But that would need to include at least eight lawmakers from the ruling PPP.

One official said there were no arguments against voting the motion down, while suggesting further talks would be necessary.

The official also revealed that some lawmakers have discussed their views with Yoon in person. The embattled leader reportedly told them he had listened to their opinions and would consider his next move.

Yoon has not appeared in public since lifting martial law early on Wednesday.