Blast at building in Rosario, Argentina
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Blast rocks Argentine apartment block in Rosario

A powerful blast in a residential building in the Argentine city of Rosario has killed at least eight people and injured more than 60 others.

Emergency teams have been trying to put out a fire and rescue the people who remain trapped in the upper floors.

Rescue teams say there is a risk of the apartment block collapsing. Nearby buildings have also been affected.

The explosion was probably caused by a gas leak in the building's heating system, local authorities said.

Ignacio de los Reyes reports.