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BEIRUT: Lebanon tasked the security forces on Wednesday with investigating a meeting between influential Lebanese Christian businessman Antoun Sehnaoui and Israeli Prime Minister Benjamin Netanyahu.

Lebanese law criminalises contact with Israel. The countries began direct talks under US sponsorship in April, a month after clashes erupted between Israel and Hezbollah.

Sehnaoui and former US envoy Morgan Ortagus hosted a dinner attended by high-profile officials, including Netanyahu, in Washington on Monday night.

The dinner was in memory of Republican Senator Lindsey Graham, who died on July 11.