Rwanda and the Democratic Republic of Congo signed a peace agreement Friday in Washington to end fighting that has killed thousands, with the two countries pledging to pull back support for guerrillas -- and President Donald Trump boasting of securing mineral wealth.

"Today, the violence and destruction comes to an end, and the entire region begins a new chapter of hope and opportunity," Trump said as he welcomed the two nations' foreign ministers to the White House. "This is a wonderful day."

The agreement comes after the M23, an ethnic Tutsi rebel force linked to Rwanda, sprinted across the mineral-rich east of the DRC this year, seizing vast territory including the key city of Goma.

The deal -- negotiated through Qatar since before Trump took office -- does not explicitly address the gains of the M23 in the area torn by decades of on-off war but calls for Rwanda to end "defensive measures" it has taken.

Rwanda has denied directly supporting the M23 but has demanded an end to another armed group, the Democratic Forces for the Liberation of Rwanda (FDLR), which was established........

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