Masked gunmen have seized four members of the Palestinian Islamic group Hamas from a bus travelling to Cairo from the Gaza Strip, officials have said.
The bus carrying 50 passengers was ambushed close to the Rafah border crossing with Gaza on Wednesday night.
Hamas has called on Egypt to secure the members’ release.
Relations between the militant group and Egypt have been strained since Islamist President Mohammed Morsi was ousted from power two years ago.
Hamas is an offshoot of Mr Morsi’s Muslim Brotherhood – which is now banned in Egypt.