KAMPALA , Uganda ( CNN ) -- At least 640 people were arrested and 14 killed in fighting in Uganda 's capital between government forces and loyalists of a traditional kingdom , police said Sunday . A man tries to put out a fire on Friday in Kasubi , Uganda , a suburb of Kampala . The number of people arrested for suspected roles in the three-day riots could go up because investigations are still under way , said Kale Kayihura , the nation 's police chief . Trials for the suspects will start Monday on charges including taking part in violent acts and unlawful assemblies , Kayihura said . At least 82 were injured , according to the police chief . Tensions between President Yoweri Museveni and the Buganda kingdom -- headed by King Ronald Mutebi II , the ruler of the Baganda tribe -- have intensified in recent years . The violence flared Thursday when the government said it would not allow the king to travel to an area inhabited by a renegade rival group . After the travel ban , young Bagandans took to the streets , stealing ammunition from a police station and confronting officers , accusing them of harassment . `` The government is wrong to undermine cultural institutions which are the backbone of Uganda 's heritage , '' said Mzamiru Balidha , a resident of Kampala . `` Cultural leaders must be left alone since they are not interfering in politics . '' Rioters burned tires and cars , set buildings on fire and looted stores . Streets in the capital were strewn with debris over the weekend , including torched cars and burned tires . Police and the army patrolled deserted but calm streets Sunday as residents tried to return to normalcy after the protests . `` I 'm happy to see that there is peace now , '' said Harry Sagara of Kampala . `` Now people can return to work . '' Government officials and the Buganda kingdom have been at odds for years , sparring over land , sovereignty and political power . A government official said Sunday that the two leaders have pledged to meet and address their differences . `` Both the central government and the king are still working out details of the meeting , '' said Daudi Migereko , the minister of parliamentary affairs . Bagandans are the dominant ethnic group and one of four ancient kingdoms in the nation . Kings in the east African nation are limited to a ceremonial role overseeing traditional and cultural affairs . Journalist Samson Ntale contributed to this report .
At least 640 arrested , police say ; number could rise ; trials to begin Monday . Three-day riots , which killed 14 , were sparked by travel ban on tribal king . National government and Buganda kingdom have been at odds for years . Ugandan president and tribal king will meet to address differences , official says .