A 19-year-old man suspected of involvement in a devastating explosion on Maasstraat in Purmerend will remain in custody, the Noord-Holland court announced Tuesday. The explosion occurred during the night of Dec. 14 to Dec. 15, severely injuring a 16-year-old boy and triggering a fire that forced the evacuation of six homes. The 19-year-old suspect, described as the main perpetrator, is …