VICE PRESIDENT Dr. Mahamudu Bawumia has called on supporters of the New Patriotic Party (NPP) within the Ayawaso West Wuogon Constituency to come out in their numbers and vote massively for Lydia Seyram Alhassan, the widow of the late Member of Parliament for the area, Emmanuel Kyerementeng Agyarko, during the upcoming by-election.