Attacks by gunmen or other violence disrupted around a fifth of Mali's polling stations during Sunday's presidential election, with about 3 percent of them unable to function at all, the Ministry of Territorial Administration said on Monday.

Of the roughly 23,000 polling stations open, 4,632 were disrupted by "armed attacks or other violence", of which 644 were unable to operate, ministry figures showed.

Spiralling jihadist violence was a key issue in the election campaign.