The former Polish president was taken to the hospital at about noon on Wednesday, his office told The Associated Press. The reason for the unplanned visit was not given.
Lawmaker Jerzy Borowczak, a friend of Walesa’s, said on TVN24 television that Walesa was running a fever of 39 degrees Celsius (102 F) and suffered from pain in the abdomen.
An aide, Piotr Gulczynski, told the AP that the situation did not appear to be serious. He said Walesa was undergoing medical tests and that he was still waiting for doctors to make a diagnosis.