Malaysian Prime Minister: Malaysia Airlines Flight 370 Crashed in Indian Ocean

From CNN:

(CNN) -- [Breaking news update at 10:03 a.m.]

British investigators have concluded that missing Malaysia Airlines Flight 370's last position was in the middle of the Indian Ocean west of Perth, Malaysian Prime Minister Najib Razak said.

[Previous story, published at 9:33 a.m. Monday]

(CNN) -- Malaysia's Prime Minister will make a live statement on missing Malaysia Airlines Flight 370 at 10 p.m. (10 a.m. ET), he said Monday on Twitter.

Prime Minister Najib Razak did not give any details of the statement.

Also, two relatives of passengers aboard the missing airliner tell CNN they have been asked to attend a meeting at a Beijing hotel where Malaysian authorities have been briefing families.