Joshua A. Garcia, whose candidacy for Holyoke mayor was certified Monday by the City Clerk, will host a campaign kickoff Saturday, June 19, at Pics Pub at 910 Hampden Street. The event, which is free and open to the public, will start at 5 p.m. and conclude at 8. The program includes presentations by Garcia and other speakers. Those interested in volunteering to help with the Garcia campaign will have an opportunity to sign up. Contributions to the campaign also will be accepted at the June 19 kickoff.