A 12-year-old seal named Gaston made international headlines when he escaped from Prague zoo during last week's floods, swimming around 120 kilometres in five days, before being recaptured north of Dresden in Germany. Unfortunately, the seal died on Tuesday while being transported back to Prague, evidently from shock and exhaustion; his death was sadly typical of the misfortune which has befallen Prague zoo over the last week. Ian Willoughby has more.