A heated constitutional and political battle is unfolding in Senegal as lawmakers examine whether Ousmane Sonko can reclaim his parliamentary seat after leaving government. The debate could reshape the balance of power inside the National Assembly.

After months of tensions, Senegal's President Bassirou Diomaye Faye on Friday dissolved the government and sacked Sonko - his one-time mentor in their Pastef party.

Senegal's charismatic former prime minister Ousmane Sonko has a passionate following among Senegal’s disaffected youth. Their response to his pan-African and anti-colonial…