Typhoon Hagupit: Key facts and figures

Tens of thousands of people have sought shelter as Typhoon Hagupit heads towards the Philippines.

Hagupit, or Ruby in the Philippines, is due to hit land on Saturday evening and is on course for the Eastern and Northern Samar provinces, and the city of Tacloban, where thousands were killed by Typhoon Haiyan a year ago.

BBC News examines the facts and figures behind the impending storm.