Mobile advertiser MoPub moves to Park Ave. South, fire at NYPD’s $656M academy … and more

1. Mobile advertiser MoPub moves from Meatpacking District to 386 Park Avenue South [NYP]
2. Avenue B building evacuated after falling debris reported [Local East Village]
3. Fire at NYPD’s new $656 million academy [Gothamist]
4. In new memoir, Astor descendant reveals details of squalid childhood spent in mansion [NYO]
5. Town Residential’s “Look Up New York” campaign tests New Yorkers’ knowledge of their city [Curbed, 1st item]
6. First renderings of proposed Bushwick mall released [Gothamist]
7. Famed Chinese artist Cai Guo-Qiang buys $6 million penthouse at Soho’s 542 Broadway [NYO]
8. 9/11 memorial race will go on, but with security upped after Boston bombings [DNAinfo]
9. Modell’s Sporting Goods expands at 1535 Third Avenue [NYP, 3rd item]
10. Infertility clinic renews lease at Ashkenazy’s 635 Madison Avenue [NYP, 5th item]
11. East Village walk-up building hits market for $8.9 million [EV Grieve]