welcome back. we're covering the special election in pennsylvania's 18th congressional district. almost half of the vote has now been counted, about 47%. conor lamb, the democrat, maintaining his advantage over rick saccone, the republican, 53.8% to 45.6%. he's got a 7,600 lead right now, conor lamb, the democrat, over rick saccone. let's go over to john king at the magic wall. he's doing really wall, conor lamb, just south of pittsburgh in allegheny county, where almost half of the vote, projected vote resides. >> more than 40% of the vote will come out of here. depending on turnout that could go a little higher. district wide, it's 7,600 vote lead, almost up to half the vote. let's go through what we have as you mentioned. this is the most important slice of the district is right here. it's the pittsburgh suburbs. the southern part of allegheny county. 57% to 42% right now.