All GCC nations will be sending teams to the Arabian Gulf Cup in Doha after Bahrain, Saudi Arabia and the UAE initially boycotted the games.
The football tournament is happening despite an ongoing land, sea and air blockade on Qatar, that Saudi Arabia, the UAE, Bahrain and Egypt imposed in June, 2017.
But the rift started long before then. Here's what happened.
Subscribe to our channel http://bit.ly/AJSubscribe
Follow us on Twitter / ajenglish
Find us on Facebook / aljazeera
Check our website: http://www.aljazeera.com/
#Aljazeeraenglish
#StartHere
#AlJazeeraDigitalShow