Key facts
- A 7.7 magnitude earthquake struck Indonesia's Flores island.
- At least 68 people have been killed by the 7.7 magnitude earthquake.
- Thousands of people have been displaced by the earthquake.
- Rescuers are searching for survivors on Flores island.
- Aftershocks are hampering rescue and aid efforts.
- A magnitude 5.9 aftershock struck Indonesia's Flores island on Tuesday.
- The 5.9 aftershock followed a 6.5 magnitude earthquake.
- The initial 6.5 magnitude earthquake killed at least 53 people.
- Hundreds of people were injured by the initial earthquake.
