Could I have a statement, please? <a href="http://www.hotellincoln.com.co/buy-eriacta-100-online" rel="nofollow">eriacta 100 dosage</a>  A bomb in a police car exploded in Tunis but caused no casualties, as authorities keen to maintain stability cast a nervous eye at events in Egypt where violence has spiraled since the Islamist president was ousted by the military on July 3.