In pictures: Pope Francis buried, mourned by hundreds of thousands

Thousands of faithful and world leaders attended the funeral of Pope Francis, who died on Easter Monday at the age of 88.

According to estimates, some 400,000 faithful attended the event, and 166 international delegations were present on the parvis of St. Peter's Square.

Here is the account of the day in photos:

St. Peter's Square during the funeral of Pope Francis. (St. Peter's Square during the funeral of Pope Francis.)

Pope Francis' coffin in St. Peter's Square. (Pope Francis' coffin in St. Peter's Square.)

Cardinals follow the funeral of Pope Francis. (Cardinals follow the funeral of Pope Francis.)

Worshippers gather St. Peter's Square during funeral. (Worshippers gather St. Peter's Square during funeral.)

Cardinal Giovanni Battista Re reads homily during funeral of Pope Francis. (Cardinal Giovanni Battista Re reads homily during funeral of Pope Francis.)

Gospel resting on Pope Francis' coffin. (Gospel resting on Pope Francis' coffin.)

Pope Francis' coffin drives through Rome past the iconic Colosseum. (Pope Francis' coffin drives through Rome past the iconic Colosseum.)

Pope Francis' coffin arrives at Santa Maria Maggiore. (Pope Francis' coffin arrives at Santa Maria Maggiore.)

Many heads of state and government were present at the funeral, which was an event for some high-profile meeting including one between US President Donald Trump and Ukrainian President Volodymyr Zelenskyy.

In the front row at St. Peter's were Emmanuel Macron and Donald Trump. (In the front row at St. Peter's were Emmanuel Macron and Donald Trump.)

Italian leader Giorgia Meloni at the funeral of Pope Francis. (Italian leader Giorgia Meloni at the funeral of Pope Francis.)

Italian President Sergio Mattarella at the funeral of Pope Francis. (Italian President Sergio Mattarella at the funeral of Pope Francis.)

US President Donald Trump and his wife, Melania Trump, during Pope Francis' funeral. (US President Donald Trump and his wife, Melania Trump, during Pope Francis' funeral.)

Ukrainian leader Volodymyr Zelensky at St. Peter's. (Ukrainian leader Volodymyr Zelensky at St. Peter's.)

Trump's meeting with Zelenskyy before the ceremony. (Trump's meeting with Zelenskyy before the ceremony.)

Former US President Joe Biden and wife Jill at St. Peter's. (Former US President Joe Biden and wife Jill at St. Peter's.)

European Commission President Ursula von der Leyen at St. Peter's. (European Commission President Ursula von der Leyen at St. Peter's.)

Argentinian President Javier Miliei at St. Peter's. (Argentinian President Javier Miliei at St. Peter's.)