“But of course it might bring unrest. Especially because it is Friday today and incitement in the mosques is huge.”
Mr Shalom, who arrived in London for a five-day visit on Wednesday, spoke at an ORT UK lunch on Friday afternoon.
He made the comment one hour after an Israeli vehicle was attacked by Palestinians . “Fortunately, no one was hurt,” he added.
Mr Shalom said the attack on the Palestinian family was believed to be committed by fanatical Jews.
He said: “All of those religious Jews have forgotten that one of the 10 commandments is not to murder. So they are coming in the name of God and they are violating one of those ten commandments.
“It doesn’t say ‘don’t murder Jews’. ‘Do not murder’ means, do not murder.”
Mr Silvan, who opened the London Stock Exchange on Thursday morning, went on to condemn the Iran deal and boycott threat.
According to reports, Israeli Prime Minister Benjamin Netanyahu and Mr Abbas, the leader of the Palestinian Authority, are in rare talks after the Douma attack.
The father, mother and four-year-old son who survived the attack are being treated at the Sheba Medical Centre in Ramat Gan, Tel Aviv. Mr Netanyahu is set to visit them.