Book says Egypt also warned of a major Hamas operation; days later Netanyahu held off on targeting Sinwar, who had threatened an 'earthquake,' and allegedly failed to brief security chiefs; PMO calls the UAE account 'a complete lie'

The Israeli prime minister received a major warning just days before the October 7 attack—and chose not to tell anyone.

In month before massacre, Sinwar said to convey message via UAE he was ready to launch 'earthquake' amid moribund talks with Israel, PM didn't inform Shin Bet of Emirati…