US Secretary of State John Kerry and UN chief Ban Ki-moon are in Egypt to try to arrange a ceasefire.
At least five persons were killed and 70 others injured in the latest Israeli strike on a hospital in Gaza.
The border guards were killed during an exchange of fire with the unknown gunmen.
The convoy comprised a number of prominent Egyptian activists and political figures and left Cairo on Saturday.
An Egyptian foreign ministry official said he could not confirm or deny the new invitation.
Germany takes the lead in counseling, hotlines, helping returning jihadists find jobs.
The new prices were made public only a few hours before the decision was implemented.
El-Sissi said he had always said he will not interfere in judicial affairs, and would respect the courts’ independence.
The judge also handed 10-year sentences to two British journalists and a Dutch journalist who were not in Egypt.
Lawyers say the ruling, which was confirmed on Saturday, can be overturned on appeal.
The ceremony was overseen by President, Abdel Fattah el-Sissi.
Sisi swore to protect Egypt’s republican system, unity law and the interests of its people.
The officials say the militant’s father lost an arm in the blast Saturday.
Sisi spoke in the first TV interview of his campaign, aired Monday, vowing that restoring stability and bringing development were his priorities.
The political turmoil in Egypt has cast a shadow on the country but nothing can dim the beauty and serenity of the river that gives it hope.