Veteran Puerto Rico politician Pedro Pierluisi has been sworn in as governor after his predecessor Ricardo Rossello resigned as promised.

His appointment still needs to be confirmed by the US territory's Senate.

Rossello stepped down in response to weeks of protests over mismanagement and a series of leaked obscenity-laced chats, in which he and advisers - who have also resigned - made fun of women, gay people and hurricane victims.

Al Jazeera's Gabriel Elizondo reports from San Juan.

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