Pro-democracy activists in Sudan reported Friday that about 40 people were killed in “violent artillery fire” carried out the previous day by paramilitary forces on Omdurman, Khartoum’s twin city. “So far, the death toll is estimated at 40 civilians and there are more than 50 injured, some seriously,” the Karari Resistance Committee said in a statement posted on social media, blaming the shelling on the paramilitaryRapid Support Forces, or RSF. “There is still no precise count of the number of victims in Omdurman,” said the organisation, one of hundreds of similar grassroots pro-democracy grou…