An Israeli military strike can at the most delay Iranian nuclear programme by a couple of years, a top Pentagon official has said, noting that such a move would not be "prudent".
The change of heart in the US and India was propelled by the increased threat of China to both countries, explains Ambassador T P Sreenivasan.
The blast at the Khan Research Laboratories (KRL) facility at Kahuta, near Islamabad, occurred when the technician was handling conventional explosives and there had been no damage to the nuclear facilities, said Army spokesman Shaukat Sultan.
Pakistan is going ahead with the construction of its third heavy nuclear reactor at the Khushab site at a much faster pace, a Washington-based think tank has said.