 C4 and Brian Neiman. WBAL News Radio 1090 FM 101.5 in the WBAL radio app. Well, we've learned that police quickly made an arrest. An 18-year-old is in custody for repeatedly stabbing a 14-year-old on an MTA bus. It happened during a fight yesterday afternoon. Meanwhile, city's top officials say although there have been fewer murders so far this year, the number is unacceptable. But it signals a hopeful trend.