New video shows moment tourist group hear the gunmen opening fire . The tourists were in a hotel room when they heard gunshots and ran to their rooms where they found two men with automatic weapons firing at them. After initial confusion , the tourists realise the danger and run for their lives . 21 people killed at the National Bardo Museum during attack on March 18 . Museum 's re-opening has been delayed during to security concerns . Tunisians demonstrated outside centre urging tourists to support country . Two gunmen were killed by police by Tunisia 's president said a third suspect - the suspected mastermind - is still on the run .
New video shows moment tourist group hear the gunmen opening fire . Visitors were listening to guide when startled by sound of shots being fired . After initial confusion , the tourists realise the danger and run for their lives . 21 people killed at the National Bardo Museum during attack on March 18 . Museum 's re-opening has been delayed during to security concerns . Tunisians demonstrated outside centre urging tourists to support country . Two gunmen were killed by police by Tunisia 's president said a third suspect - the suspected mastermind - is still on the run .