The Doha skyline

Niger, on Saturday, said it had recalled its ambassador to Qatar, in solidarity with the UAE, Saudi Arabia, Bahrain and Egypt, which cut ties with Doha on Monday.
In a statement, Niger's Ministry of Foreign Affairs, said the decision was made, in solidarity with the four states that have banned their citizens from traveling to Doha. They have since closed off their airspace, territorial waters and land borders to Qatari vehicles, aircraft and ships.
Egypt, Saudi Arabia, Bahrain and the UAE announced their decision to sever diplomatic relations with Qatar on 5th June.
Later, Yemen, the interim Libyan government, the Maldives, Mauritius, Comoros and Mauritania also severed diplomatic relations with Qatar.
This was followed by Jordan downgrading its diplomatic relations with Qatar, and Senegal recalling its ambassador in Doha for consultations.

source: Khaleejtimes