India's Federal Home Minister Sushilkumar Shinde said the bombs were attached to two bicycles about 150m (500 feet) apart, the Associated Press reports.
He said eight people died in one explosion and three in the other.
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Highs rising to the mid 30s across southeast England and well above average elsewhere in the UK.
England have selected leg spinner Adil Rashid in their 13-man squad to face Australia in the First Test at Cardiff.
After years of political maneuvering over the future expansion of Heathrow Airport, there has been an important development this lunchtime.