Run away and shelter at the welfare centre (4)
I believe the answer is:
flee
'run away' is the definition.
(thesaurus)
'shelter at the welfare centre' is the wordplay.
'shelter' becomes 'lee' (I've seen this before).
'at' means one lot of letters go next to another (I've seen this in other clues).
'centre' means to look at the middle letters.
The middle of 'welfare' is 'f'.
'lee' after 'f' is 'FLEE'.
'and' is the link.
(Other definitions for flee that I've seen before include "Turn tail" , "retreat" , "Take to one's heels" , "Maybe escape" , "head for the hills" .)