Karachi Police Chief says threats of attack on PSX building had been received earlier.

KARACHI -- Additional Inspector General of Karachi Police, Ghulam Nabi Memon revealed on Tuesday that threats of an attack on the Pakistan Stock Exchange were received earlier as well due to which security in the area had been beefed up.

Memon, speaking to media, said that the perpetrators of the attack had support from Karachi and said that it seemed as if the attack was not the work of a single organisation.

'It seems that the mastermind of the Chinese consulate and Pakistan Stock Exchange...