A significant explosion and subsequent fire erupted in an Amsterdam apartment building early this morning. Emergency services responded to the incident, reported at 00:15 local time, and anticipate multiple injuries. The explosion occurred in an annex building beneath the main structure, leading to a partial collapse and widespread fire. Residents are being evacuated and provided with shelter as firefighters battle the blaze and heavy smoke. The affected building is located on Osdorper Ban in the Amsterdam Nieuw-West district. The blast was reportedly heard across a large area of the city, according to local media. The cause of the explosion is currently under investigation.