Report: 'Unmanned drone' lands on West Capitol lawn; lockdown; Update: It's a manned 'gyrocopter'; Update: Pilot is Florida man declaring a 'voters rebellion'; Update: NORAD 'not involved'

Some scary intense crowd control outside the Capitol. Cops pushing everyone off immediate grounds.

— Emma Dumain (@Emma_Dumain) April 15, 2015

Uh-oh.

A large drone/small helicopter appears to have landed on the lawn in front of the US Capitol, according to TV images and witness reports

— Martyn Williams (@martyn_williams) April 15, 2015

Helicopter or unmanned drone has landed on west lawn of Capitol. So, lockdown. @CQnow

— CQ HealthBeat (@CQHealthTweet) April 15, 2015

Did someone order from Amazon?

I see Amazon will be sending some packages via Drone…that thing is going to scare me when it lands on my lawn! It needs a happy face.

— Auntie B (@b_auntie) April 15, 2015

We’re in good hands…

Just now Capitol Police stormed out of building due to a drone/chopper that came down on the West Front.

— Luke Russert (@LukeRussert) April 15, 2015

Due to police activity, First Street between Independence Avenue, SW and Constitution Avenue, NW is closed. #dctraffic

— SenateSergeantAtArms (@SenateSAA) April 15, 2015

https://twitter.com/KStreetHipster/status/588396302645395456

Update. It’s not a drone, but a small “gyrocopter” and it’s reportedly part of a campaign finance protest:

JUST IN: Small helicopter lands on US Capitol lawn. http://t.co/aJQYQYFt6p pic.twitter.com/9TJbqIvroe

— ABC News (@ABC) April 15, 2015

MORE: Gyrocopter bearing Postal Service logo lands on the Capitol's West Lawn http://t.co/YJtxNVv6VJ pic.twitter.com/ljgnGTC7zm

— The Hill (@thehill) April 15, 2015

it's a small "gyrocopter" – he's been arrested by Capitol Police pic.twitter.com/XlqinJcMy7

— Jamie Dupree (@jamiedupree) April 15, 2015

JUST IN: Small helicopter lands on lawn outside U.S. Capitol; pilot in custody – @LukeRussert pic.twitter.com/kTrrCP4xqo

— NBC Nightly News with Lester Holt (@NBCNightlyNews) April 15, 2015

Update:

BREAKING: Florida man lands gyrocopter at U.S. Capitol http://t.co/RL7M4H3wjr pic.twitter.com/GgKl3QXOZ2

— The Daily Beast (@thedailybeast) April 15, 2015

Gyrocopter guy at the U.S. Capitol: "I'm demanding reform and declaring a voter's rebellion." http://t.co/EGdFebVNza pic.twitter.com/hoegT8cCs9

— The Daily Beast (@thedailybeast) April 15, 2015

It appears Florida mailman has made it to U.S. Capitol and was apprehended by police. http://t.co/FDkOkwburi pic.twitter.com/MwM3u5z40z

— Tampa Bay Times (@TB_Times) April 15, 2015

Update:

NORAD was not involved with today's incident involving a small helicopter near the Capitol.

— U.S. Northern Command (@USNorthernCmd) April 15, 2015

Editor’s note: This post has been updated with additional tweets.