A Manhattan jury Friday convicted all three defendants in the deadly 2015 gas explosion that killed two people and leveled three East Village buildings. After two days of deliberations, the jury convicted landlord Maria Hrynenko, contractor Dilber Kukic and unlicensed plumber Athanasios “Jerry” Ioannidis of manslaughter, assault, reckless endangerment and other charges. Relatives of the defendants and of the two victims were in the audience at Manhattan Supreme Court, and many broke into tears at the verdict. The forewoman trembled and dabbed her eyes with a tissue as she announced “guilty” on each count. Ana Lanza, the mother of 23-year-old...