Soldiers of the P18 Gotland Regiment of the Swedish Army camouflage their armoured vehicles during a field exercise near Visby on the Swedish island of Gotland on May 17, 2022. (AFP)
Lukashenko did not give details, but battalion tactical groups typically consist of mechanized infantry including tanks.
The territory of Belarus was used for rocket attacks on Ukraine, but the military of Belarus did not take part in the Russian ground operation.
Ukrainian authorities have expressed concern that Belarus may agree to a wider participation in the war.