The man was charged with “committing acts of terrorism” in connection with fires set at two building depots in Poland last year, the country’s Internal Security Agency said.
Authorities said recent water samples showed pollution levels in the river had returned to within permissible limits following the 80-ton spill last month.
Authorities said recent water samples showed pollution levels in the river had returned to within permissible limits following the 80-ton spill last month.