A mobile phone battery explosion triggers a fire at Tecno Complex in Ibadan, Oyo State, according to reports from The Punch. The incidents are described as starting with an explosion from a phone battery inside the building, which then leads to a blaze. Fire services respond quickly to the scene and contain the fire before it can spread further to other parts of the complex or neighboring areas. The reports emphasize that the prompt intervention helps limit damage. No additional details are provided in the excerpts about injuries, the number of people affected, or the extent of property loss beyond the fact that the blaze is brought under control. The exact cause of the battery malfunction and whether any electrical or handling factors contribute to the explosion are not specified. Overall, the accounts are consistent that a battery explosion initiates the incident and that emergency responders successfully prevent the fire from escalating.