Many injury claims involve people who are on package holidays, and there are regulations which make it possible to sue the tour operator in this country, where it can be shown that the actual supplier of the services (the hotel or other tourist complex) has been at fault in connection with what was provided.
Claims can involve defective hotel premises (often swimming pools), food poisoning and accidents occurring on transfer.
A carrier (ie the airplane or travel company with whom you are flying) will normally be liable for any accidents which occur during air travel, including embarking and disembarking from an aircraft.