A possible meeting between Indian Prime Minister Narendra Modi and his Pakistani counterpart, Nawaz Sharif, threatened to overshadow the other proceedings at the South Asian Association for Regional Cooperation summit in Katmandu, Nepal.
Human rights officials have raised the death toll in Raqqa, Syria to 95, including 52 civilians, as Syrian government forces carry out one of the deadliest attacks on the Islamic State stronghold in the past three years.
British Foreign Secretary Philip Hammond said it "was not possible to meet the deadline" due to wide gaps on well-known points of contention, including levels of uranium enrichment and the number of centrifuges Iran would be allowed to operate.
Israeli police and military said the home of Abdel-Rahman Shaloudi was blown up before dawn, and Shaloudi was killed. Two people were killed last month when Shaloudi rammed his car into a Jerusalem tram stop.