Bengaluru: Karnataka inched towards the 5,000 covid-19 fatalities mark as 148 more tested positive on Tuesday that marks the highest single day spike in the state.Bengaluru continues to fuel the spike in cases and death toll as it accounted for 61 of the 148 fatalities reported in the daily bulletin of the state health department on Tuesday.The toll in Bengaluru stands at 1,755 of the total 4,958 in the state excluding 19 other positive persons who lost their lives due to reasons other than complications of the disease.There are 751 persons in intensive care units across the state, according to government data.After two days of decline, Karnataka witnessed a spike in cases as 8161 more tested positive that takes the total to over 2.91 lakh..