Rebels from Ethiopia's Oromiya region accused the government on Wednesday of launching a military offensive against them after a first round of peace talks ended earlier this month without a deal.
The government and the Oromo Liberation Army held negotiations for a week in Zanzibar in a bid to end a decades-long conflict that, in recent years, has left hundreds dead and displaced tens of thousands in Ethiopia's most populous region.
Both sides said at the time that they had agreed to continue talking.
The violence there is a major security challenge for Prime Minister Abiy Ahmed, whose government signed a peace deal last November to end a two-year civil war in the northern Tigray region.
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