It is reported that a shocking secret will be revealed at the funeral of Derek Branning (Jamie Foreman) in EastEnders in January.

Warning: spoiler alert!

Radio Times reports that during the funeral Derek's son Joey (David Witts) runs out of the church in a state of distress and is followed by his sister Alice (Jasmyn Banks).

When Alice asks Joey what is wrong, his answer shakes her to the core.

The episode will air on BBC One and RTÉ One on Friday January 4.