A US congressman on Saturday began a visit to rights groups and students in the Gaza Strip.
Keith Ellison met earlier with Israeli security officials and Palestinian officials in the West Bank.
A US Consulate spokesman in Jerusalem, Frank Finver, said the Minneapolis Democrat's Gaza visit would last a day.
Hamas official Ahmed Yousef said the group welcomes all visitors but that it had not been informed of Ellison's visit. The US considers Hamas a terrorist organization.
Ellison is the first Muslim Congressman.