Democrat clings to lead in Pa. House race; GOP eyes recount

Republican Rick Saccone pumps his fist as he thanks supporters at the party watching the returns for a special election being held for the Pennsylvania 18th Congressional District vacated by Republican Tim Murphy, Tuesday, March 13, 2018 in McKeesport, Pa. A razor's edge separated Democrat Conor Lamb and Saccone Tuesday night in their closely watched special election in Pennsylvania, where a surprisingly strong bid by first-time candidate Lamb was testing Donald Trump's sway in a GOP stronghold. (AP Photo/Keith Srakocic)
Conor Lamb, the Democratic candidate for the March 13 special election in Pennsylvania's 18th Congressional District celebrates with his supporters at his election night party in Canonsburg, Pa., early Wednesday, March 14, 2018. (AP Photo/Gene J. Puskar)

CANONSBURG, Pa. — Republicans eyed a recount and a lawsuit over perceived irregularities in a closely watched U.S. House race in Pennsylvania where Democrat Conor Lamb clung to a slender lead Wednesday in the longtime GOP stronghold friendly to President Donald Trump.