The head of Russia's southern republic of Ingushetia, Yunus-Bek Yevkurov, has accused his Chechen counterpart Ramzan Kadyrov of "provocations" because of remarks Kadyrov made about their border.
Earlier, Kadyrov said Ingushetia's district of Sunzha and parts of its Malgobek district are "indigenous Chechen territories."
Kadyrov last week accused Ingushetia of "encroaching on Chechen territory" and called for "a clear administrative border" to be established between the two Russian republics.
The two also recently have traded accusations about whether the other is doing enough to prevent cross-border terrorist attacks by militants.
With reporting by Interfax