Phone of top Catalan politician 'targeted by government-grade spyware'

Exclusive: Guardian and El Pais find regional speaker was targeted in possible domestic political espionage'

• Roger Torrent: alleged attack confirms fears about Spanish state

One of Catalonia's most senior politicians has been warned his mobile phone was targeted using spyware its makers say is only sold to governments to track criminals and terrorists.

A joint investigation by the Guardian and El Pais has revealed that the speaker of the Catalan regional parliament, Roger Torrent and at least two other pro-independence supporters were told they were targeted last year in what experts said was a possible case of domestic political espionage" in Europe.