A gang of Robin Hood-style thieves, who dress as superheroes and steal expensive food from exclusive restaurants and delicatessens to give to the poor, are being hunted by police in the German city of Hamburg.

The gang members seemingly take delight in injecting humor into their raids, which rely on sheer numbers and the confusion caused by their presence.

After they plundered Kobe beef fillets, champagne and smoked salmon from a gourmet store on the exclusive Elbastrasse, they presented the cashier with a bouquet of flowers before making their getaway.

The latest robbery is part of a pattern over the past several months, suggesting that the thieves deliberately set out to highlight what they perceive as the inequality inherent in German society.

In another recent swoop, the gang emptied a groaning buffet table in a top restaurant into sacks, while one of their number held up a sign saying. "The fat years are over" - the title of a hit film currently doing the rounds in Germany.

In Internet statements, the gang have made a point of saying their booty is distributed to Hartz IV recipients - the poorest of Germany's long-term unemployed.

The benefit is named after the disgraced Volkswagen personnel director Peter Hartz who, before he lost his job with the car-maker in a prostitutes-and-bribes scandal, devised the new means-testing which is loathed and derided by society's most economically challenged.

The Scotsman newspaper says that when the gang robbed the gourmet store in April - triggering a massive police investigation that cost