The technology world has barely recovered from the news that a Chinese woman died from electric shock when she used her iPhone while it was being charged. On Tuesday, a similar story jolted Apple users again.

NewMail reported that Wu Jian Tong, a 30-year-old Chinese man, slipped into coma following an electric shock he got while charging his iPhone 4. The culprit, it appears, is the use of a counterfeit or third-party product, specifically charger.

Fortunately for Mr Wu, his sister managed to pull the plug. "I then felt needle-like pains on my fingertips. The current was running from my finger, through to my arms and body, and to the foot," New Mail quoted the sister

Despite the unplugging, Mr Wu by then had become unresponsive, in a spasm and foaming at the mouth. By the time an ambulance came, Mr Wu had stopped breathing and paramedic resuscitated him. Doctors at the Han Dian Hospital in Beijing where the victim was brought for treatment said it was no doubt an electric shock that caused Mr Wu to remain in coma, although he is in a stable condition.

In response to the second case of electric shock involving an iPhone, Apple said in a statement, "It was with great sadness we learned through press reports that a Beijing customer was injured using a 'knock off' or counterfeit charger and we are looking into this further."

"Our customer's safety is very important to us and we have carefully designed all Apple products to meet government safety standards. We recommend our customers only purchase Apple products from Apple of authorized Apple resellers," the Cupertino-based firm added.

Other possible contributory factors to Mr Wu's electrocution were that on the day the accident happened, it was raining and the air inside his house was very humid.

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