we have also seen the main airport of tonga _ we have also seen the main airport of tonga covered in ash. that is affecting — of tonga covered in ash. that is affecting the ability of large humanitarian aid flights going in there _ humanitarian aid flights going in there delivering goods. at the moment— there delivering goods. at the moment they are dropping goods with parachutes. what we are seeing today from new _ parachutes. what we are seeing today from new zealand as they are sending two naval— from new zealand as they are sending two naval ships towards tonga. it will take — two naval ships towards tonga. it will take three days for them to arrive — will take three days for them to arrive. there will be bulk supplies of water _ arrive. there will be bulk supplies of water on — arrive. there will be bulk supplies of water on those boats, also a desalination plant and divers to look at — desalination plant and divers to look at the shipping lanes and ports to see _ look at the shipping lanes and ports to see if— look at the shipping lanes and ports to see if it— look at the shipping lanes and ports to see if it is possible to get other— to see if it is possible to get other bulbs in there with more aid. howard. _ other bulbs in there with more aid. howard, thank you. howard johnson reporting life. —— live. two british teenagers are still being questioned as part of the investigation into a hostage—taking incident at a synagogue in texas on saturday. british citizen malik faisal akram, from blackburn, was shot dead by police after a ten hour siege. 0ur report nick garnett is in blackburn this morning. nick, what's the latest with the investigation?