At least four people were killed and two others were critically injured after a fire broke out in a New York City e-bike store on Tuesday morning, according to officials, adding to concern over the lithium-ion batteries—the leading cause of fire deaths in the city—used by the devices. READ MORE: https://www.forbes.com/sites/tylerrou... Fuel your success with Forbes. Gain unlimited access to premium journalism, including breaking news, groundbreaking in-depth reported stories, daily digests and more. Plus, members get a front-row seat at members-only events with leading thinkers and doers, access to premium video that can help you get ahead, an ad-light experience, early access to select products including NFT drops and more: https://account.forbes.com/membership... Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: / forbes Forbes Video on Instagram: / forbes More From Forbes: http://forbes.com