Thousands of demonstrators across the US have joined Trayvon Martin's mother in calling for justice for the killed unarmed teenager.

Thousands of people are gathering today for nationwide rallies in the US.

President Barack Obama has called on Americans to do some soul searching over the death of black teenager Trayvon Martin, delivering an emotional public reflection on race that was rare for the country’s first black president.

Looking for positive lessons to draw from the shooting death of Trayvon Martin, US president Barack Obama said today the nation needs to do some “soul-searching”.

Trayvon Martin’s parents say they are still in shock and disbelief that jurors acquitted George Zimmerman over the death of their 17-year-old son.

A protest over George Zimmerman’s acquittal has led to the arrests of 17 people in a southern California town.

Regarding the recent verdict in the Trayvon Martin/George Zimmerman case in the USA: Were the Florida prosecutors trained by the California prosecutors and the LAPD?

Once you get past the fact of Obama’s election, there hasn’t really been much racial progress in the US, writes Michael Tomasky

When President Barack Obama addressed the death of Trayvon Martin last year, he did so passionately, declaring that if he had a son, he would look like the teenager.

A juror in the trial of George Zimmerman said the actions of both he and Trayvon Martin led to the teenager’s fatal shooting - but the neighbourhood watch volunteer did not break the law.

Cleared by a Florida jury, George Zimmerman walked free from criminal charges in the shooting death of unarmed black teenager Trayvon Martin but was still under fire from civil rights leaders and critics who were dismayed by the verdict.

Demonstrators protested in three California cities against the acquittal of George Zimmerman and officials say they broke windows and vandalised cars in Oakland.

The neighbourhood watch volunteer who shot dead a 17-year-old boy says he prays daily for the teenager's parents.

The man who shot US teenager Trayvon Martin must return to jail, a judge has ordered.

US neighbourhood watch volunteer George Zimmerman publicly accused police of covering up the beating of a homeless black man by the son of a white officer more than a year before he shot unarmed teenager Trayvon Martin, it emerged today.

Trayvon Martin was shot through the heart at close range and George Zimmerman had a broken nose, bruises and cuts on the back of his head, new documents show.

A neighbourhood watch guard who killed an unarmed black teenager apologised to the teenager’s family today at a hearing where he sought release from jail ahead of his trial.

The man charged with murdering black US teenager Trayvon Martin has had bail set at $150,000 (€114,000).

The judge presiding over the case of an unarmed Florida teenager’s shooting death has removed herself after the defendant’s lawyer said she had a possible conflict of interest.

Neighbourhood watch volunteer George Zimmerman followed and confronted the black teenager he is accused of murdering after a police dispatcher told him to back off, prosecutors in the US said.

George Zimmerman made his first courtroom appearance since he was charged with the fatal shooting more than six weeks ago of unarmed black teenager Trayvon Martin, as a judge agreed to seal some records in the highly-charged case.

Neighbourhood watch volunteer George Zimmerman has made his first court appearance on a second-degree murder charge following the shooting death of 17-year-old Trayvon Martin.

Prosecutors face steep hurdles to win a second-degree murder conviction against a neighbourhood watch volunteer charged in the shooting death of unarmed teenager Trayvon Martin, experts say.

A neighbourhood watch volunteer was charged tonight with second-degree murder over the fatal shooting of unarmed black teenager Trayvon Martin.

It has been reported that George Zimmerman -- the neighbourhood watch volunteer who shot and killed an unarmed teenager in Florida -- is to be charged by police two months after the incident .

A surveillance video shot after the killing of a teenager in Florida shows the man who shot him being led in handcuffs from a police car, and an attorney for the victim’s family said it is obvious the shooter did not have the injuries his supporters have claimed.

The parents of a shot Florida teenager have accused police of leaking information about their son being suspended for marijuana and details about the fight in which he died that portrayed him as the aggressor.

The parents of an unarmed black teenager shot dead by a neighbourhood watch helper in Florida are leading a rally in protest at the lack of an arrest.

The US police chief who has been bitterly criticised for not arresting a neighbourhood watch volunteer in the shooting death of an unarmed black teenager and the county prosecutor both left the case, with the chief saying that he is temporarily stepping down to let passions cool.