At least two people have been killed and 55 others injured after a series of explosions struck the western Indian city of Ahmedabad, officials have said.
At least 15 people have been killed and dozens more wounded after a series of explosions struck the western Indian city of Ahmedabad, officials have said.
Nine blasts are thought to have hit residential areas and crowded markets in Gujarat state's capital city.
More than a dozen blasts are reported to have hit residential areas, crowded markets, a train station and a bus in Gujarat state's commercial capital.
Local TV broadcast footage of a wrecked bus and other reports said one device exploded outside a train station.
It is thought the explosions were caused by crudely-made devices hidden in boxes and on bicycles.
The blasts came a day after seven devices exploded in the southern city of Bangalore leaving two people dead.
On Friday a series of similar blasts hit the southern city of Bangalore.
Appeal for calm
Appeal for calm
The first Ahmedabad blast happened at about 1830 (1300 GMT). The rest followed within 20 minutes.
The Ahmedabad explosions came in two waves - the first occurring over a 20-minute period from about 1830 (1300 GMT).
There was another series of blasts shortly after.
"At least 55 people have been hospitalised so far and some of them are badly hurt," Gujarat minister Shakeel Ahmed told reporters.
"At least 55 people have been hospitalised so far and some of them are badly hurt," Gujarat minister Shakeel Ahmed told reporters.
TV stations broadcast images of a bus with its side blown up, shattered windows and the roof half-destroyed.
TV stations broadcast images of a bus with its side blown up, shattered windows and the roof half-destroyed.
Footage also showed the body of a man lying motionless on ground next to the bus, covered in blood.
Footage also showed the body of a man lying motionless on ground next to the bus, covered in blood.
The BBC's Damian Grammaticas, in India, says the explosions appear to have been a planned and highly co-ordinated attack.
Some of the bombs in the second wave targeted the hospitals where the injured were being taken, he adds.
Ahmedabad is an ethnically diverse city which has suffered from political instability in the past.
Ahmedabad is an ethnically diverse city which has suffered from political instability in the past.
Riots broke out there in 2002 between Hindus and Muslims.
Riots broke out there in 2002 between Hindus and Muslims.
Reports suggested most of Saturday's blasts were in the city's crowded old quarter, dominated by its Muslim community.
Reports suggested many of Saturday's blasts were in the city's crowded old quarter - a religiously-diverse area.
Analysts believe the attack may be linked to the Bangalore bombs and could be designed to whip up trouble between religious communities.
Prime Minister Manmohan Singh has appealed for people to remain calm.
Prime Minister Manmohan Singh has appealed for people to remain calm.
India has been hit by several waves of bombings in recent years. Targets have ranged from mosques and Hindu temples to trains and courthouses.
India has been hit by several waves of bombings in recent years. Targets have ranged from mosques and Hindu temples to trains and courthouses.
Are you in Ahmedabad? Have you been affected by the explosions? If you have any information you would like to share with the BBC, you can do so using the form below.
Are you in Ahmedabad? Have you been affected by the explosions? If you have any information you would like to share with the BBC, you can do so using the form below.
