Mark 1:33
And all the city was gathered together at the door.
Cross-reference
Mark 2:2
Parallel
In Mark 2:2, a similar crowd gathers at the door to hear Jesus, echoing the earlier scene of the whole city gathering at the door for healing.
Acts 13:44
Parallel
Acts 13:44 recounts almost the whole city gathering to hear Paul, paralleling the crowd gathering at Jesus' door in Mark 1:33.