Mumbai: Mumbai Mayor Ritu Tawde on Monday expressed concern over a series of firecracker-related incidents reported across the city over the past two days and urged citizens to celebrate Diwali responsibly.In a video shared on the Brihanmumbai Municipal Corporation's (BMC) official X account, Tawde appealed to citizens to ensure their celebrations did not put others or their surroundings at risk.“Diwali is a time of joy, light and happiness.