Paraguayan President Santiago Pena was hospitalized on Monday while attending the G20 summit in Brazil's Rio de Janeiro, his office said, citing an "indisposition" being treated at the city's Samaritano hospital, Paralel.Az reports citing Reuters.

In a separate post on social media, Vice President Pedro Alliana said he had spoken with Pena after a "slight indisposition."

"He is doing well and awaiting the results of his medical exams," Alliana said.