article_snippet: the 20 victims when the gunmen opened fire on the gunmen buses .
article_snippet: as the 20 victims when the gunmen opened fire on their buses arrived at the museum, which houses some of .
article_snippet: Tourism minister Salma Loumi said the impact from the attack .
article_snippet: Tunisians holding candles pray at the entrance gate of the National Bardo Museum in the Tunisian capital Tunis where 20 people were killed after gunmen staged in an attack .
article_snippet: Security forces at the scene shot dead two gunmen but another is still on the loose and some of more than .
article_snippet: Qaeda suicide bomber killed 21 people in 2002 in the southern .
article_snippet: In 2013, another bomber blew another bomber up on the . beach in Sousse.
article_snippet: No one else was killed.