A power bank burst into flames inside a passenger's backpack on a moving coach in eastern China.

The video was filmed in the city of Hangzhou in Zhejiang Province on March 10.

Chaos erupted aboard a tourist coach as a power bank suddenly burst into flames inside a passenger's backpack while traveling on a highway.

Within seconds, flames soared high, prompting panicked shouts from passengers.

"Fire!" screamed one passenger as others scrambled to control the blaze. A courageous individual stomped on the backpack to contain the fire while another urged the driver to pull over.

Amidst the chaos and screams, the fire was swiftly extinguished.

According to Mr. Jiang, the bus driver, the incident occurred on the highway from Deqing County to Hangzhou. The power bank, unused and stored in a passenger's backpack, spontaneously combusted, but fortunately, the flames were quickly subdued within approximately 10 seconds.

The bus, carrying over 20 passengers comprising students and parents from the same class, was traveling at around 55.9mph. "I was driving when passengers alerted me to the fire. I promptly pulled over onto the emergency lane," Jiang explained.

Although one child sustained minor singeing to their hair, and some parts of the bus aisle were charred, the situation was manageable.

As the vehicle halted on the emergency lane, prioritising passenger safety and considering the relatively minor nature of the incident, Jiang decided to continue the journey back to Hangzhou.

Upon arrival at their destination, inquiries revealed that the power bank, which had spontaneously ignited, had been in use for several years. The brand was not recalled, and it was stored in the passenger's backpack without being used or dropped.

"Passengers aboard were understanding, given our familiarity. Fortunately, the power bank wasn't stored in the enclosed luggage compartment; otherwise, the fire might not have been detected immediately," Jiang remarked.

The video was provided by local media with permission.

3月10日，浙江杭州，一辆旅游大巴正在高速上行驶，一位乘客双肩包里的充电宝突然发出闷响，发生自燃，两三秒后，火苗蹿得很高。
“着火了！”有乘客大喊。紧接着，一位乘客用力脚踩双肩包控制火势，有乘客朝驾驶员喊“靠边停车……”车厢内一片混乱，各种惊叫声，还好火势很快就熄灭。
据大巴司机蒋师傅介绍，事发时车子行驶在浙江德清县回杭州的高速公路上，乘客双肩包中未使用的充电宝突然自爆自燃，火苗约10秒被扑灭，没有人受伤，也未造成重大财产损失。
蒋师傅称，这是一辆旅游大巴，当时车上有20多位乘客，都是一个班级的学生和家长，大巴车时速在90公里左右。“我在开车，听乘客说起火了，赶紧在应急车道停下。”蒋师傅告诉，车停下时火已扑灭，充电宝主人的孩子被烧到一点头发，大巴走道表面有部分被烧黑，还好都没什么事儿。由于车辆停在应急车道上，考虑到乘客安全，加上情况不算严重，自己便继续驾车返回杭州。
到目的地后，经询问，涉事乘客表示，自燃的充电宝已使用多年，不记得品牌，事发时放在随身的双肩包中，没有使用也没有碰摔，包一直放在车中间的走道上，当时先听到包里响了一声，几秒后就起火了。“车上乘客因为都熟，也没有责怪。还好充电宝没有放在封闭的行李舱中，不然一起火不可能马上就发现。”蒋师傅表示。