BRUSSELS — Authorities had been scouring Molenbeek, a North African enclave here, since the Islamic State staged terrorist attacks in Paris last November. Now another immigrant district - Schaerbeek - is in the spotlight.On Wednesday, police discovered explosives, including a nail bomb, other chemicals used to make bombs and the black flag of the Islamic State in a Schaerbeek apartment, according to Belgian media reports. Word of the discovery put the city further on edge.
