the united nations says there s been a distress signal from the tonga archipelago following saturday s massive volcanic eruption and tsunami. the pacific islanders remain virtually cut off from the rest of the world due to a damaged communicationsu nderwater cable. the australian and new zealand military are sending humanitarian aid. muslim leaders have expressed their solidarity with thejewish community after an attack on a synagogue in texas. police shot dead a british man after he took four people hostage. two teenagers have been arrested as part of the investigation. the incident is being treated as a terror attack. america s largest airlines have warned of a catastrophic disruption to travel if telecommunications firms roll out their 56 technology without limiting its scope near us airports, because it might interfere with altitude devices.