The death toll from a bomb blast Friday at a historic mosque in the southern Indian state of Andhra Pradesh and riots that followed has risen to at least 13.
Local authorities say 11 worshippers were killed and at least 35 wounded in the explosion at the Mecca Masjid mosque in the state capital, Hyderabad.
They say at least two other deaths occurred during clashes between police and an angry mob protesting a lack of police protection.
Protesters threw stones and chanted slogans at police. Police retaliated by firing live ammunition and tear gas to quell the violence.
Home Minister Shivraj Patil said authorities found and defused two other crude bombs.
No one has claimed responsibility for the attack, the third against a mosque in India during the past year.
Indian officials ,including Chief Minister of Andhra Pradesh Y.S. Rajashekar Reddy have called for calm in Hyderabad, where tensions have been high between Hindus and the city's large Muslim population.
Authorities fear the attacks could spark unrest between the two groups.