kampala grenades throw overnight home two ugandan legislators oppose scrap presidential age limit thereby extend president yoweri museveni 31 years power one legislators robert kyagulanyi late arrest police aide say kyagulanyi fellow legislator allan outspoken efforts resist ongoing effort change constitution allow museveni seek another term elections set 2021. museveni president since january 1986. two grenades throw ssewanyana residence three others kyagulanyi s. legislators among mps forcefully eject parliament chamber last week uganda special force grenades throw police spokesman asan kasingye tell reuters early tuesday say police investigate dismiss absurd idea attack politically motivate talk local nbs tv ssewanyana say scar would give fight constitutional change give call upon ugandans give serious fight show seriousness attack start us ... attack involve weapons say police late arrest kyagulanyi leave home outskirts capital kampala personal assistant hakim katongole tell reuters kyagulanyi top ugandan musician stage name bobi wine join politics win parliamentary seat repeat election june another police spokesman tell reuters legislator arrest range allege offences include malicious damage assault officer duty cause bodily harm others commit house brawl fight microphone stand pluck use crude weapons chair throw bench seat damage fight chamber pit legislators oppose extend museveni rule special force legislators favor extension least five mps hospitalize injuries sustain drag chamber plain-clothes security guard opposition mps say special force soldier grenades throw home ugandan mps oppose extend president 's rule