Israel's military has updated the number of people it believes are being held hostage in Gaza - up from 155 to 199, reports BBC.
They were kidnapped when Hamas gunmen infiltrated Israel just over a week ago, killing more than 1,400 people.
Meanwhile, UK Prime Minister Rishi Sunak tells the House of Commons that at least six British people were among those killed and 10 remain missing in Gaza.
More than 2,700 people in Gaza have been killed in retaliatory strikes by Israel, which is also blocking fuel, water, food and medical supplies from entering the territory.
The UN said it is "deep in negotiations" to get the first aid into Gaza.
Thousands of people have been gathering close to the crossing with Egypt in the hope of leaving Gaza as Israel is preparing for a ground operation in Gaza.
Israel's prime minister Benjamin Netanyahu and Hamas have denied reports of a truce to allow some people out and aid in via the Rafah crossing.
Bd-pratidin English/Golam Rosul