International aid initiative Global Sumud Flotilla says one of its boats has been attacked by a drone at Tunisia's Sidi Bou Said port - the second such strike in two days.
The GSF, which is seeking to break Israel's naval blockade and deliver humanitarian aid to war-torn Gaza using civilian boats, said in a statement on Wednesday all passengers and crew were unharmed.
GSF reported the first attack on Tuesday saying one of its vessels had been struck by a drone in Tunisian waters, reports Tunisian authorities said were false.
A Tunisian Coast Guard spokesperson did not respond to a call from Reuters.
The flotilla posted a video on Instagram of the alleged attack, showing a luminous object hitting the boat and fire erupting immediately afterwards on board. Reuters was not immediately abl