Nikolas cruz
#ENOUGH: US student walkout sends message on gun violence
The duration was a tribute to 17 students and staff killed at Marjory Stoneman Douglas High School in Parkland, Florida, on 14 February.
The so-called notice of intent to file a claim is required by Florida law before a lawsuit can be brought against government entities.
The minimum age for handguns nationally is already 21. But a person can be as young as 18 to buy a rifle in Florida, with no waiting period.
Trump had last week said he wanted to raise the legal minimum age for buying an assault rifle to 21.
Teachers were welcomed back to Marjory Stoneman Douglas High School as part of what the school district called an ‘emotional and difficult recovery process’.
Deputy Scot Peterson was the only law enforcement officer present on 14 February when the rampage started, Broward County Sheriff Scott Israel said.
The US Constitution’s Second Amendment protects the right to bear arms.
Trump made the comment during an emotional hour-long White House meeting with students who survived the Florida shooting and a parent whose child did not.
On Tuesday the Republican-controlled Florida House of Representatives rebuffed a bid to bring up a bill to block sales of assault-style rifles in the state.
Nikolas Cruz, his head bowed, hands shackled at his waist and wearing a red, jail-issued jumpsuit, showed no emotion during the procedural session in Fort Lauderdale.
He accused his Democratic predecessor, Barack Obama, of failing to do enough to stop Russian election interference.
More than a dozen people also were wounded in the deadliest shooting at a US high school.
New details about the troubled background and gun ownership of the suspect, Nikolas Cruz, emerged as he appeared in court.
Authorities said Nikolas Cruz stopped at a Wal-Mart, a Subway restaurant and a McDonald’s immediately after carrying out the second-deadliest mass shooting at a public school in US history.