It has come to light that the 5 men were members of the radical Islamist outfit Social Democratic Party of India (SDPI). SDPI, however, has claimed the members were expelled earlier.
The arrest of IAS officer M Sivasankar, the former chief secretary to the Chief Minister, is being seen as a massive setback to the CPI(M)-led Kerala government.
The main accused in the case, Swapna Suresh and another former employee of the UAE consulate named Sarith were arrested in July for using forged papers to claim diplomatic immunity and smuggling gold from UAE.