Israel refrains from striking Lebanese-Syrian border crossing after mediation efforts, source says

BEIRUT, April 7 (Reuters) - The Israeli military has refrained from striking a key border crossing between Syria and Lebanon after both pressed the U.S. on the need to keep it open, a Lebanese source familiar with the matter said on Tuesday.The Israeli military on April 4 issued a warning for the Masnaa crossing, the main border point between Lebanon and Syria, sayingitwould strike it "in the near future" because Lebanese armed group Hezbollah was using it to smuggle weapons.