At least six, who have been confirmed as sympathisers of Islamic State of Iraq and Syria (ISIS) have been arrested by National Investigation Agency (NIA) forces. They will be presented in Nampally court shortly. Five others are still be questioned. It is not known if they would be arrested. All the 11 ISIS supporters were rounded by police yesterday, as a plot hatched by them to blast several important centres in Hyderabad, was unearthed.