informal

Chinese nationals have been active in Ghana's informal mining and along with Ghanaian nationals, they have been repeatedly accused of ignoring environmental concerns.

Results from an informal ballot showed 93.7% of members rejected the offer and 83.4% said they would be willing to strike.

There will also be informal play areas for children.

He has however left the door open to more informal co-operation, telling the BBC on Wednesday there could be "working relationships" with other parties.

The class is on Thursdays and begins with informal breakout groups, with students discussing a given topic or getting to know each other against a backdrop of popular music piped through the auditorium sound system.