Officers from the regional police force of Navarra were called in after a group of 15 Italians left the restaurant without paying their bill, which amounted to a whopping €620.
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The group had each ordered the special Menu del San Fermin – although one diner opted instead for a plate of salmon tartar – ending with a shot of the local liqor but when the bill finally came, shortly after midnight on Friday night, the group attempted to abscond.
READ MORE: How to run with the bulls in Pamplona - and survive
The festival, which starts on July 6th and continues for eight days, attracts more than a million to the city.
Each morning, hundreds of runners participate in the encierros, when six bulls charge through the narrow cobbled streets of Pamplona to the bullring.
READ ALSO: Ten hurt in bull running festival