"Let him know that we love him very much, we want him to come home, we want him to be safe. We want to know he's ok." Cathy Cullen's emotional appeal to her missing brother Michael Cullen.

North Belfast man, Michael Cullen, has been missing for nine days. 

He last made contact with his family last Tuesday afternoon and hasn't been seen since. 

Extensive searches have been underway and his relatives and friends are desperate for answers.