No news item to link to yet, but if you go back a few minutes in the livestream (https://www.youtube.com/watch?v=CpR1UUnix3g), you can see the final announcement.
They were receiving telemetry from the lander mere seconds before touchdown, and it appeared to be braking successfully, but after the touchdown moment all contact was lost.
Ispace loses contact with lunar lander on final landing approach | Heykuki News