Modern historians, doubting that a Persian commander would have sabotaged his own invasion, have suggested several other possible scenarios. It is, however, impossible to know exactly how the Naxians became aware of the invasion, but undoubtedly they were aware, and began to make preparations. Herodotus tells us that the Naxians had previously had no inkling of the expedition, but that when news arrived they brought everything in from the fields, gathered enough food with which to survive a siege and reinforced their walls.