Several patrons at a Newcastle pub bravely fought off a thief armed with a gun and a knife, with one man stabbed in the shoulder as he fought the robber off.Matthew Bourke entered the Boatrowers Hotel in Stockton on a Saturday night last year and attempted to rob the venue, pulling out a gun, which turned out to be a gel blaster, as he went behind the counter and plundered the till.However, he was confronted by one patron, who swung a barstool a…