The European Union's top diplomat said Tuesday there were no excuses for Israel to refuse to implement a ceasefire with the Lebanese militant group Hezbollah, saying all its security concerns had been addressed in the US-French-brokered deal. Josep Borrell, the outgoing EU foreign policy chief, called for increased pressure on Israel to blunt extremists in the government who are refusing to accept the deal. Speaking on the sidelines of a Group of Seven meeting in Italy, Borrell warned that if a ceasefire is not implemented, Lebanon will fall apart. Israeli officials said Prime Minister Benjamin Netanyahu's security Cabinet was set to convene Tuesday to discuss a proposed ceasefire. Among the issues that remain is an Israeli demand to reserve the right to act should Hezbollah violate its obligations under the emerging deal. Borrell said the US would chair a ceasefire implementation committee, but France would participate at the request of Lebanon. On the proposal agreement brokered