Julia Kristeva was communist secret agent, Bulgaria claims

Renowned psychoanalyst and philosopher alleged to have become collaborator in 1970s

The renowned Bulgarian psychoanalyst and philosopher Julia Kristeva worked as an agent and collaborator with the Balkan country's secret services during the communist era, a state commission has claimed.

Kristeva, 76, is the author of more than 30 books and worked alongside leading French intellectuals such as Jacques Derrida, Jacques Lacan and Roland Barthes.