Illegal both as a building and as a holiday rental.
They will avoid prison if they repay the money within two months.
One of the victims was flown to hospital in a critical condition.
Forensic doctor said that injuries had been caused by some kind of object.
Masks shoud still be worn in chemists in Mallorca.
The advert has now been taken down.
Something of a coup for Mallorca, as this conference has always been held in Miami.
Reducing the wealth tax is a move to ease the cost of living and boost investment