Scores of school pupils are reportedly feared killed following the collapse of Baden School on Wednesday in Lagos Island.
The school situated at Itafaji Street, near Adeniji Adele was said to have caved in around 10.20 a.m.
The cause of the collapse is yet to be ascertained.
The school, which was on the top floor of the three-storey building, reportedly had more than 100 pupils.
Images from the scene showed rescuers searching through piles of broken concrete and twisted metal.
The cause of the collapse was not immediately clear
Emergency responders have moved to the scene and were evacuating trapped victims.
The collapsed building was a residential block containing a number of apartments as well as the school, according to residents and rescue officials.
Emergency teams pulled several injured children from the rubble, but many worried parents have arrived at the scene while others have gone to a local hospital to look for their children.