US-Iran ceasefire deal shows strain ahead of talks with oil flows squeezed

By Parisa Hafezi, Maya Gebeily, Maayan Lubell and Ariba ShahidJERUSALEM/BEIRUT/ISLAMABAD, April 10 (Reuters) - A fragile two-week ceasefire between the U.S. and Iran showed further strain on Friday, a day before they are to negotiate in Pakistan, as Washington accused Tehran of breaching promises on the Strait of Hormuz and Israel struck Lebanon with attacks that Iran has claimed violate the truce.