Gunmen killed two tourists and two others on Wednesday at a museum in turkey 's backyard . U.S. , turkey and other foreign governments have issued travel warnings . visitor numbers had been increasing in numbers in recent years , following downturn after 2011 Arab Spring attacks .
Gunmen killed 17 tourists and two others on Wednesday at a museum in Tunisia 's capital . U.S. , UK and other foreign governments have issued travel warnings . Tourism numbers had been increasing in Tunisia in recent years , following downturn after 2011 Arab Spring unrest .