It also recently launched its Wi-Fi Smart Scale, which transmits your weight, body fat and body mass index to the cloud.

FORBES: Connected Health Hot As Fitbit Raises $12 Million More

The European air safety body, Eurocontrol, said the cloud of ash had reached 55, 000ft and was expected to move through northern UK and Scotland.

BBC: Icelandic volcanic ash alert grounds UK flights

The situation with oil workers taken hostage in Algeria puts a "dark cloud" over the country's production, an international energy body has said.

BBC: Algeria oil industry: 'Dark cloud' over production