By bne IntelliNews Serbia’s former intelligence chief Aleksandar Vulin has claimed responsibility for the arrest of opposition politician Nikola Sandulovic, who was brutally beaten while in custody. Vulin’s claim has been greeted with scepticism as it is now two months since he resigned as head of the Security and Information Agency (BIA). Speaking to Novosti, Vulin said he had issued an order for Sandulovic’s arrest, which remained effective even after he stepped down from the helm of the BIA in November. Vulin defended the arrest, which was made at Sandulovic’s home after the Serb politician…