Russia-Ukraine war live: Kremlin says it has thwarted Kyiv-backed plot to kill prominent journalists

FSB says it has detained people carrying out reconnaissance near the homes of Margarita Simonyan and Ksenia Sobchak

• What we know on day 507 of the invasion

Russian president Vladimir Putin held a phone call with South African president Cyril Ramaphosa in which the two leaders discussed the Black Sea grain deal and an African peace initiative on Ukraine, the Kremlin said on Saturday.

On the grain deal, which expires on Monday, Putin reiterated to Ramaphosa that commitments to remove obstacles to Russian food and fertiliser exports had not yet been fulfilled, the Kremlin said.