In a statement, the Prime Minister of the Czech Republic Petr Necas said he was "deeply hit by the tragedy of the gas explosion", the Associated Press reports.
It is not certain what caused the blast in Divadelni Street in the central Prague but it was likely to be a natural gas explosion, police spokesman Tomas Hulan said.
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ITV News correspondent Dan Rivers was taken, by regime minders, to the hospital where those who were affected by the attack were treated.
Temperatures back to the seasonal average.
The composer says schools are failing to see how music can support behavioural and academic success.