OIL SURGED 1 PERCENT TO ABOVE $72 A BARREL ON MONDAY AS A REFINERY FIRE IN ITALY ADDED FRESH CONCERNS TO A MARKET ALREADY NERVOUS OVER IRAN'S DEFIANT PURSUIT OF ITS NUCLEAR PROGRAMME AND MILITANT VIOLENCE IN NIGERIA. A WEEKEND FIRE THAT SHUT ERG GROUP'S 160,000 BARREL PER DAY (BPD) IMPIANTI NORD REFINERY IN SICILY RENEWED CONCERNS ABOUT GASOLINE SUPPLY AHEAD OF THE SUMMER SEASON, WHEN EUROPEAN PLANTS HELP MEET PEAK SEASON U.S. DEMAND. U.S. LIGHT, SWEET CRUDE JUMPED 79 CENTS OR 1 PERCENT TO $72.63 A BARREL BY 0850 GMT, ADDING TO A 91-CENT GAIN ON FRIDAY THAT HELPED LIMIT LAST WEEK'S LOSSES TO 4.4 PERCENT. TRADING WAS THIN DUE TO HOLIDAYS IN MUCH OF ASIA AND EUROPE. IPE BRENT CRUDE WAS UP 74 CENTS AT $72.76, WITH GAS OIL FUTURES LEADING THE CHARGE WITH A 1.75 PERCENT OR $11 A TONNE RALLY TO $638.75 A TONNE, REUTERS REPORTED.