Senegal announced on Wednesday that it has decided to recall its ambassador from the Gulf state of Qatar for consultations.
"We are following with deep concern the current situation in the Gulf region and as well call on other countries in the region to do same," said a statement by the West African nation's Foreign Ministry.
The statement added that Senegal is expressing its "active solidarity" with Saudi Arabia, the United Arab Emirates, Bahrain, Egypt, and Yemen, which have all cut ties with Qatar, accusing it of supporting terrorism.
Qatar has vehemently denied the accusations, calling it "unjustified."
Senegal's action follows similar moves on Tuesday by Mauritania to the north and Gabon to the south.
Mauritanian said Qatar had violated the principles of Arab unity.
Oil producer Gabon condemned Qatar for "failing to respect international commitments and agreements on counter-terrorism," a statement from its foreign ministry said, The Central African nation was "preoccupied with Qatar's continuing support for terrorist groups".