G8 leaders in Fermanagh have signed a Lough Erne Declaration, which seeks to clamp down on tax evasion by companies at a global level.
The co-ordinated action is the first deal of its kind, but it is unclear how effective it will be. Business Editor Laura Kuenssberg reports.
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Police believe it is a "distinct possibility" that Halliwell was a serial killer, beyond the two murders he was convicted for.
The bodies were seen lined up in white and black body bags along Libya's western shoreline in stark and grim images released by aid workers.
Rebecca Steinfeld, 35, and Charles Keidan, 40, objected to the "patriarchal baggage" of "the institution of marriage".