Israel
All kinds of claims have been running rampant on social media.
Israel has escalated its bombardment of targets in the Gaza Strip ahead of an expected ground invasion against Hamas militants.
The US Secretary of State, though, explained the US ally has no intention of running Gaza as the next day for the territory remains unclear.
"It falls upon all of us to at least make the effort to model, in our own words and actions, the kind of world we want [future generations] to inherit," he wrote.
Transport for London said it was investigating footage of the incident, which was shared widely on social media.
Palestinian officials blamed an Israel air strike for the explosion which killed hundreds of people.
The capital was full of demonstrations over the weekend.
Isaac Herzog blamed Hamas and the "distorted information" coming out of the war zone.
Robert Jenrick called on Israel to “surgically degrade" Hamas.
The mother and her teenage daughter, identified as Judith and Natalie Raanan from Chicago, were released on Friday “for humanitarian reasons”.