Who are the potential contenders to lead the DUP?

Gavin Robinson, Edwin Poots and Sir Jeffrey Donaldson (Michael McHugh/Kelvin Boyes/Press Eye/Niall Carson/PA)

The DUP has never had a contested leadership election and it remains to be seen whether it will be any different this time.

Arlene Foster, the third leader in the party’s history, replaced the retiring Peter Robinson unchallenged in 2015, in the same way he had succeeded party founder Ian Paisley in 2008.