French President Francois Hollande arrived in Morocco Saturday on an official visit that takes place against a backdrop of controversy over torture lawsuits in Paris against the kingdom's intelligence chief.

Hollande, accompanied by five ministers and a delegation of business leaders, was met on the tarmac in Tangiers by King Mohammed VI at the start of the two-day visit.

One person was killed and two were injured in Casablanca on Monday when part of the city's historic but derelict Hotel Lincoln collapsed, local officials and Moroccan media said.

A 34-year-old man died in the dawn incident at the hotel, which is technically a listed building despite been derelict for two decades.

The body of a French businessman was found tied up in an apartment in the Moroccan city of Casablanca on Monday, police and a source close to the investigation said.

The 47-year-old's body was discovered naked and had been "tied up with a shirt," the police were quoted as saying by MAP news agency, which added there were no signs of a break-in.

The scene was like an earthquake, but residents say the collapse of three buildings last week in Casablanca that killed 23 people was the man-made result of greed and corruption.

As onlookers watched from behind emergency barriers surrounding the site on Monday, diggers cleared away the wreckage of the crumpled buildings in El-Hank district and inhabitants sifted through the rubble looking for personal belongings.

The death toll after three buildings collapsed in Morocco's largest city and commercial capital Casablanca rose to 23 on Sunday, officials said.

Fifteen bodies were recovered from the rubble in one day on Sunday, including two children and Moroccan actress Amal Maarouf and her mother, local authorities said.

The death toll after three buildings collapsed in Morocco's largest city and commercial capital Casablanca rose to 16 on Sunday, officials said.

Seven more bodies were recovered from the rubble during the day, including two children and Moroccan actress Amal Maarouf and her mother, they said, quoted by the MAP news agency, updating an earlier tally.

The death toll from the collapse of three buildings in Casablanca, Morocco's largest city, has risen to eight, local officials said Saturday.

Another 17 people were still in hospital after having been rescued from the rubble, said the officials, quoted by MAP news agency.

Spain said Monday it was in talks with Morocco on the fate of a Spanish pedophile who had his pardon revoked after it sparked angry protests in the north African country.

King Mohamed VI of Morocco on Sunday revoked a pardon granted to Daniel Galvan Vina, who was convicted of raping 11 children aged between four and 15 and sentenced in September 2011 to 30 years in prison in Morocco.

The stars of much-loved classic film "Casablanca" may always have Paris, but on Wednesday they will have Facebook.

The legendary black-and-white film starring Humphrey Bogart and Ingrid Berman will be streamed free at Facebook in the United States to celebrate the release of a 70th anniversary edition by Warner Home Video.