Ukrainian writer Victoria Amelina, who was injured in a rocket attack on a restaurant in eastern Ukraine’s Kramatorsk last week, died in hospital on Saturday, a non-governmental organization announced on Sunday.

“We inform you that the writer Victoria Amelina passed away on July 1 at Mechnikov Hospital in Dnipro,” the organization PEN Ukraine, which promotes freedom of expression and literature, revealed in a statement.

“His death was caused by injuries incompatible with life sustained during the bombing,” the Russian restaurant Kramatorsk said, according to the same source.

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“We announced this news after Victoria’s relatives became aware of it and with their consent,” added PEN.

The 37-year-old writer was seriously injured while dining at the Ria Pizza restaurant, popular with the military, aid workers and journalists, and was hospitalized in Dnipro with “several fractures at the base of the skull,” according to neurosurgeon Vitali Savenkov.

Amelina was accompanied by three Colombians who suffered minor injuries: former peace commissioner Sergio Jaramillo, novelist Héctor Abad Faciolince and journalist Catalina Gómez.

With his death, the death toll from the Russian attack on the restaurant in Kramatorsk rises to 13.

The Lviv-born writer, author of several novels translated into several languages, “after the Russian invasion of Ukraine had expanded her work beyond literature” and “documented Russian war crimes in the occupied territories,” according to PEN Ukraine.