There has definitely been a "significant rise" in anti-Semitic hate attacks since the conflict with Gaza began, a police chief told Good Morning Britain.
Acpo's deputy leader on hate crime, Superintendent Paul Giannasi, said hate crimes against Jewish people had increased before when Israel was embroiled in a conflict.
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It will be increasingly humid and thundery with highs of 30C or more today.
Holidaymakers in Tunisia are determined not to be beaten. But, as Neil Connery writes, it won't be easy to escape the shock of the massacre.
Drink lots of water, stay out of the sun during the middle of the day, and take particular care of vulnerable people.