You may be aware by now that an explosion occured in the heart of Marrakech, Jemaa el Fna, on Thursday 28th April 2011.
The explosion was in the Argana restaurant and is a popular venue for tourists who flock to Marrakech.
The reports are still unclear but deaths have been reported which vary from 8 to 16 with many more injuries.
As yet there are no travel restrictions to Morocco but if you have any doubts, you should check with your government's advice.
In the US you can get up-to-date info on http://travel.state.gov/
In the UK you can get up-to-date info on http://www.fco.gov.uk/en/travel-and-living-abroad/travel-advice-by-country/middle-east-north-africa/morocco
Elsewhere you can go to your governments website which should be easy to find.
As yet, there are no travel restrictions and tourists are still going.