In pictures: Flooded Prague

The Czech capital has been swamped by the worst floods for more than a century, forcing residents to join emergency services in shoring up flood defences.

Waters have threatened to inundate residential areas

Some 40,000 people have been evacuated from their homes

Residents in some areas need special permits to stay

Some zoo animals could not be saved and had to be shot

Volunteers teamed up to build sandbag defences

Historical buildings have received special attention

Officials do not know when the worst of the flooding will be over