Police say the cause of the blast on Divadelni Street is not yet clear, but speculate it may have been caused by a gas leak.
ພາບຈາກເຫດລະເບີດ ຢູ່ນະຄອນ Prague
![Injured people leave the scene of an explosion in Prague, Czech Republic, April 29, 2013.](https://gdb.voanews.com/a3787b1e-de2e-4d01-9194-ac47f252b288_w1024_q10_s.jpg)
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Injured people leave the scene of an explosion in Prague, Czech Republic, April 29, 2013.
![Injured people after an explosion in Prague, April 29, 2013.](https://gdb.voanews.com/ec75b876-4569-4fb7-a1e4-6a891ff9bfdb_w1024_q10_s.jpg)
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Injured people after an explosion in Prague, April 29, 2013.
![People sit on a sidewalk after an explosion in Prague, April 29, 2013.](https://gdb.voanews.com/78270039-8b27-4bff-b98e-38b1400e6419_w1024_q10_s.jpg)
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People sit on a sidewalk after an explosion in Prague, April 29, 2013.
![Paramedics help an injured woman after an explosion in Prague, April 29, 2013.](https://gdb.voanews.com/8c607ea3-73b3-46fa-a890-e2af2c4489f3_w1024_q10_s.jpg)
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Paramedics help an injured woman after an explosion in Prague, April 29, 2013.