US and British intelligence agencies have plotted ways to gather data from Angry Birds and other smartphone apps that "leak" users' personal information onto global networks, the Guardian reported, citing documents obtained from whistleblower Edward Snowden.
The US National Security Agency (NSA) and its British counterpart, the Government Communications Headquarters (GCHQ), had tried to exploit "leaky" smartphone apps that could disclose users' locations, age, gender and other personal information, according to the newspaper.
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Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.
Among those expected to attend the ceremony will be former US President Bill Clinton and ex-Northern Ireland first minister Peter Robinson.
Five people have been killed and 40 injured after a car and knife attack in London on Wednesday.