By Tala Ramadan BEIRUT, July 29 (Reuters) - A group of Lebanese lawyers filed a complaint with the country's top prosecutor on Wednesday requesting an investigation into banker Antoun Sehnaoui over a dinner he allegedly co-hosted in Washington that was attended by Israeli Prime Minister Benjamin Netanyahu. The document accused Sehnaoui of "communicating with the Israeli enemy", one of the complainants, lawyer Mohamad Amer Al Haj Hassan, told reporters.
