Saudi King Salman Ben Abdel Aziz arrived in Cairo on Thursday on a five day-official visit 

Earlier in the day, President Abdel Fattah El Sisi launched a hashtag "Egypt welcomes King Salman".

On Twitter, Sisi said "I welcome my brother King Salman Abdel Aziz, the Custodian of the Two Holy Mosques, in his homeland Egypt."
Source : MENA