The Lebanese Shiite Hezbollah militia in Lebanon has lost contact with a senior member and potential successor to the slain leader Hassan Nasrallah, media reports said on Saturday. Hezbollah reportedly no longer has contact with Hashem Safieddine,the news channel Al Jazeera reported, citing security sources in Lebanon and sources within the militia. Safieddine is considered a strong candidate to succeed Nasrallah, who was killed in an Israeli attack in Beirut a week ago. Nader Hashemi, a professor for Middle Eastern Studies at Georgetown University, told Al Jazeera that the loss of contact was…