The Bulgarian Prime Minister Kiril Petkov welcomed the Prime Minister of the Republic of North Macedonia Dimitar Kovachevski.
The official ceremony took place in front of the Monument to the Unknown Soldier, where the two prime ministers laid wreaths.
The two prime ministers also laid flowers at the monument to the Holy Brothers Cyril and Methodius
In a bid to push the governments of Serbia and Kosovo to renew the stalled EU-facilitated dialogue on normalisation of relations, 47 civil society organisations, CSOs, from both countries on Friday urged them to make more of an effort, expressing "deep concern" about a "deteriorating situation on the ground".
The Council of Europe's anti-torture committee has called on EU external border state Croatia to stop police ill-treatment of migrants and asylum seekers in its borders.
On Friday, its report called on authorities to take "determined action to stop migrants from being ill-treated by police officers and to ensure that cases of alleged ill-treatment are investigated effectively".