In Pics | Donald Trump Rally Shooting: Supporters show solidarity across US, large crowd gather at Trump Tower

Police officers stand guard at Trump Tower after former US President Trump was injured during a campaign rally, in New York

A view shows the entrance of the Trump Tower after former U.S. President Trump was injured during a campaign rally, in New York. 

People hold a U.S. flag in fron of the Trump Tower, after U.S. President Trump was injured during a campaign rally, in New York

People visit the Trump Tower, after former U.S. President Trump was injured during a campaign rally, in New York.

People gather after Republican presidential candidate and former U.S. President Donald Trump was injured when shots were fired, in Palm Beach.

People gather after Republican presidential candidate and former U.S. President Donald Trump was injured when shots were fired, in Palm Beach.

A supporter of Republican presidential candidate and former U.S. President Donald Trump reacts after multiple gunshots rang out at Republican presidential candidate and former U.S. President Donald Trump's campaign rally at the Butler Farm Show in Butler.

Law enforcement members guard the perimeter of the home of Trump shooting suspect, in Bethel Park.

A person holds the U.S. flag after Republican presidential candidate and former US President Donald Trump was injured when shots were fired, in Palm Beach.