According to a witness:
"Several armed men arrived firing in the air, started a fire in the church and left," a resident near the church in central Benghazi said, asking not to be named.
At least this time no-one was hurt. Back in February a priest and his assistant were also attacked.
Christians have been living in fear of the rise of Islamic extremism since Moammar Gadhafi was driven from power and killed in 2011 with the help of the U.S.