(Bloomberg) -- Senegal’s eurobonds fell sharply after President Macky Sall postponed this month’s presidential elections indefinitely and the authorities cut mobile internet access amid a constitutional crisis.Police reinforced security in the capital on Monday, a day after clashes with opposition supporters on the streets of Dakar that led to the arrest of officials including former Prime Minister Aminata Touré and presidential candidate Anta Babacar Ngom. The government cut access to mobile in