A senior police official said the explosives used in the twin blasts on Satuday were similar to the one used by terrorists in the Mecca Masjid blasts in May 2006.
The police cordoned off the areas and sounded a red alert across Hyderabad and conducted searches at railway stations and bus depots.
Security in Hyderabad city has been tightened further in view of 10,000 weddings that are scheduled on Sunday.
Photograph: Snaps India
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