The leftist, staunchly anti-US stalwart Chavez went into the Military Hospital in Caracas on Tuesday morning, the report on the newspaper’s website said, citing anonymous sources with knowledge of the case.

“He was in fairly serious overall condition,” a source told the Miami-based Spanish-language daily. “When he arrived, he was in quite serious shape and that is why he was brought in for emergency care.”

Venezuela’s Information Minister Andres Izarra appeared to deny the report in a posting on the micro-blogging website Twitter.