<p>Police firing tear gas stormed the offices of opposition presidential hopeful Kizza Besigye on February 19, reporters outside the complex said</a>. Employees inside the office said they were lying on the floor</a> as police</a> moved “further into the building,” while “firing tear gas directly into the office.”</p><p>The police operation came a day after voters went to the polls across Uganda. Al Jazeera said it witnessed</a> police detaining Besigye on February 18 “as he and his supporters tried to show journalists what they said was a vote-rigging operation in a suburban house.”</p><br /><p>Tempers flared in