The Sudanese health authorities deny putting out a statement saying that 34 people, including children, had been killed by in a random shelling of a market in the city of Omdurman.
On Saturday, 45 people were killed in an air strike in the city, which lies across the River Nile from the capital, Khartoum.
Fighting between the Sudanese army and the paramilitary Rapid Support Forces (RSF) has been going on for three months.
More than 3,000 people have been killed.
The BBC News
