Philo Judaeus In Flaccum 68

[68] And the most merciless of all their persecutors in some instances burnt whole families, husbands with their wives, and infant children with their parents, in the middle of the city, sparing neither age nor youth, nor the innocent helplessness of infants. And when they had a scarcity of fuel, they collected faggots of green wood, and slew them by the smoke rather than by fire, contriving a still more miserable and protracted death for those unhappy people, so that their bodies lay about promiscuously in every direction half burnt, a grievous and most miserable sight.