SNP MP Lara Bird and the Scottish Greens MSP Kate Nevens were part of an international delegation turned away by Israeli security forces.
The Israeli Defense Forces announces restrictions on the movement of Palestinian workers in the run-up to Tuesday's election.
The crackdown follows the killing of two Israeli soldiers by two Palestinian gunmen on Friday - and comes just days ahead of Israel's election.
It comes after masked settlers attacked Palestinians and European officials visiting the West Bank during olive harvesting season.
The number of people helped by the UN agency in the Palestinian territory will drop by about a third - from 1.6 million to 1.1 million.
The Israeli military condemns the violence but the prime minister's office says it is part of a "smear" campaign.
The BBC sees masked settlers attack Palestinians trying to harvest olives, amid a surge in similar incidents.
Israeli settlers were seen attacking Palestinian farmers and setting fire to olive trees in the West Bank.
The IDF said that it took "every allegation or report raising concerns about conduct" seriously.
