A new earthquake has struck the Emilia region in northern Italy, killing at least 10 people and burying several others under rubble, local media say.

All the deaths were in the Modena area.

Three were killed when an industrial shed collapsed in Medolla, three died in San Felice, two in Mirandola and one in Cavezzo.

Tuesday's tremor, estimated at 5.8 magnitude, hit the same region where a quake 10 days ago killed seven people and destroyed many buildings.

Milan and Bologna were shaken too.

Some people fled from buildings when they felt the tremor, which struck at 09:03 local time (07:03 GMT).

Italian media report that some buildings damaged by the larger 20 May quake have now collapsed in Mirandola, Finale Emilia, San Felice and Cavezzo. That quake measured 6.0.

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© EPADamage: A cyclist passes by a damaged building in Rovereto
Many historic buildings now lie in ruins in Cavezzo, where the roof of a church, damaged by the earlier quake, collapsed on Tuesday, Il Messaggero news website reports.

Calls to emergency services have overloaded the telephone network in some areas, causing a system blackout. Train services have been halted in some parts of northern Italy.

Office workers were evacuated in Bologna and there are reports of evacuations elsewhere too.

The quake struck 40km north of Bologna and 60km east of Parma, at a depth of 9.6km (six miles), Reuters reports. It was felt as far away as Venice, the Austrian border and Piedmont.

Chris Brewerton, living in Mantua, told the BBC that Tuesday's quake appeared stronger than the one on 20 May. Mantua is 58km (36 miles) north of Modena.

He described how "the chair starts shaking and there's a feeling of waves below me. I rush out into the garden; the shutters and garage door are banging, the ground below me swaying. It lasted about 15 seconds - it was frightening."

The 20 May quake destroyed many centuries-old buildings of cultural value. It was the worst to hit Italy since the L'Aquila tremor that killed nearly 300 people in 2009.

About 7,000 people who fled that quake are still living in dozens of tented camps erected in public spaces, AFP news agency reports. There have been many tremors in the region since that quake.