At least one person died and three others were injured in a bus accident at Bhatia Modh flyover in UP's Ghaziabad on Thursday, SP Ghaziabad City Nipun Agrawal said. "The bus was coming from Noida to Ghaziabad carrying seven-eight passengers...fell from the flyover due to tyre explosion," Ghaziabad SSP said. "Two two-wheelers got trapped under the bus," police added.