North Korea suffered an Internet shutdown for at least two hours on Saturday, Chinese state-media and cyber experts said, after Pyongyang blamed Washington for an online blackout earlier this week.
Vulnerability of GSM mobile networks can be easily exploited by hackers.
Day in Pics: 28th March
Showbiz World - March 28, 2015
'Bharat Ratna' Atal Bihari Vajpayee