Israeli border police have fired tear gas and stun grenades to disperse hundreds of Palestinian protesters in Bethlehem, West Bank.
The clashes took place as Israel continued a week-long offensive against Hamas militants in Gaza.
Health officials have said Israeli air strikes have killed 180 Palestinians and wounded 1,390, most of them civilians, in the densely populated enclave.
More top news
The four-time Olympic champion said on Twitter: "I am not afraid to tell my story anymore."
The hills are likely to see the most snow, with blizzard conditions at times too.