Early Addition: Lower Manhattan has emptied out

Good Friday morning in New York City, where the mayor has been subpoenaed .

Here's what else is happening:

• Landlords have registered tens of thousands of additional rent-regulated New York City apartments this year as the state begins a crackdown on property owners who illegally rent out regulated units at market rates .
• A big New York Times investigation found that Shen Yun , the propaganda dance show put on by Chinese religious group Falun Gong, has been emotionally abusing dancers and forcing them to perform through injuries.
• Hurricane Ernesto is expected to bring dangerous waves and rip currents to city beaches this weekend.
• It's that time of year when Lower Manhattan is very empty ...
• ... very demure .
• Not sure where everyone went, but apparently not Burning Man .
• Let's not make this any longer than it needs to be .
• And finally, very mindful: