A top Kenyan election commissioner has quit and fled the country ahead of an Oct. 26 presidential election saying the vote would not be credible but incumbent Uhuru Kenyatta restated his commitment to the poll.

The opposition is likely to say the resignation of Roselyn Akombe, one of seven election board commissioners, is further evidence that the repeat election is illegitimate.

The Supreme Court last month nullified the Aug. 8 vote on procedural grounds following a petition by opposition leader Raila Odinga against Kenyatta’s victory.

Odinga withdrew from the repeat poll last week, saying the election board had not carried out reforms including the firing of key officials he blames for the mistakes of Aug. 8.

The resignation heightens uncertainty over a vote that some independent observers say Kenyatta looks set to win.

Akombe said the election would not be credible and warned Kenyans to remember violence that followed a disputed 2007 poll when more than 1,200 people were killed. She told BBC radio she fled to New York after receiving numerous threats that she said came from both sides.