Nigeria's president Goodluck Jonathan has declared three days of national mourning after a plane crash killed all passengers and crew onboard in the main city of Lagos.
The Dana Air flight was travelling from Abuja to Lagos' Murtala Muhammed International Airport when it crashed into buildings.
Air crash safety investigators are now piecing together what caused the incident.
Nigeria's National Emergency Management Agency said it was trying to get an official manifest on the flight to confirm the names of the dead.
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."