Belgian counterterrorism official tells CNN El Bali how they thwarted an ISIS cell . In a purported Q & A with Dabiq magazine , Abaaoud claimed he had traveled to Belgium with the two gunmen . January 15 was the biggest firefight Belgian commandos have faced since World War II . The trail goes from Greece to Belgium and Greece .
Belgian counterterrorism official tells CNN El Bali how they thwarted an ISIS cell . January 15 was the biggest firefight Belgian commandos have faced since World War II . The trail goes from Greece to Belgium and Greece .