Many killed in Israeli city following Hamas attack

The Israeli city of Sderot is waking up to the aftermath of the Hamas attack.

Many were killed by Hamas gunmen as they crossed into the country in a surprise incursion.

Israel's Prime Minister Benjamin Netanyahu has said Israel is at war with Palestinian militants from Hamas and in a televised address said the country's military would "take revenge for this black day".

Warning: This video contains footage of body bags - containing victims - and the bloodied aftermath of one attack.