1.   Nazi guards used to sound the siren to signal a prisoner escape.

2.   Prisoner escapes are frequent in South Africa, which has become one of the most crime-ridden countries in the world.

3.   The most severe possible charge would be helping a prisoner escape.

4.   Two policemen have been arrested in Bangladesh for allegedly helping a prisoner escape from court, officials said Monday.

5.   Meanwhile, two policemen have been arrested for allegedly helping a prisoner escape from court, officials said Monday.