Mumbai serial blasts were a coordinated attack by terrorists Union Home Minister P Chidamabarm said tonight The three blasts which ripped through the bustling Mumbai was timed with just few minutes apart with the firsttaking off at 6 45 pm Therefore we infer this was a coordinated attack by terrorists Chidamabarm told reporters here adding that the death toll could go up He said the NSG hub in Mumbai has been put on standby and that the elite force s post-blast team has also been sent to the financial capital of the country