At least 41 Palestinians have been killed and 1,800 wounded by Israeli troops in clashes on the Gaza border, Palestinian officials say.
The violence came as the US opened its embassy in Jerusalem, a controversial move that has infuriated Palestinians.
They see it as clear US backing for Israeli rule over the whole city, whose eastern part Palestinians lay claim to.
President Donald Trump told the opening ceremony via videolink the Jerusalem move had been a “long time coming”.
He said: “Israel is a sovereign nation with the right to determine its own capital, but for many years we failed to recognise the obvious.”