Death toll at 311 from Indonesian earthquake, tsunami.

By: Andrew Krammer

At least 311 people are dead after a magnitude-7.7 earthquake and the following tsunami struck the coast of Indonesia on Wednesday, officials said.

Another 410 people are missing and aid workers have been struggling to reach the victims located in remote, hard-hit Mentawai Islands region of Indonesia, CNN reported. There were faults with an early warning system designed to alert local residents of the incoming 10ft wave, officials said.

The president of Indonesia has cut short a trip to Vietnam because of the disaster, BBC reported.