ITV News Deputy Political Editor Chris Ship has tweeted:
NEW: Lampard tells us he's sorry over his 2001 drunken abuse of Americans post-9/11 & WILL go to 9/11 memorial now he is playing for NYCity
New York City have signed former Chelsea midfielder Frank Lampard.
I want to carry on challenging myself. I want to be that leader on and off the pitch. I'm coming to a great city and I want to show that I can play great football and be a great personality in the locker room.
I've been watching games in the MLS for a long time back home. It's a great opportunity and a great challenge for me.
During a game of table football at the skills centre in Harrow, Mr Cameron made a cheeky reference to Chelsea footballer Ashley Cole after it was confirmed the veteran left-back had been left out of England's World Cup squad.
"That was the Ashley Cole special," he quipped after the Mayor scored an own goal while in control of the blue team's defence.
England manager Roy Hodgson will this afternoon name his 23-man squad for the 2014 World Cup in Brazil, plus the seven players he wants on standby for the tournament in case of injury.
ITV News will stream the news conference live online as he makes the announcement at 2pm.
England and Chelsea defender Ashley Cole has tweeted his retirement from the national team, following reports that England manager Roy Hodgson would leave him out of his squad for the forthcoming World Cup.
I got the call from Roy and agree England team should be about the young players. I think it best I retire from England team now. ??
Cole said the England team "should be about the young players", adding: "I think it best I retire from England team now."
We have a great manager and team and I wish them only success. I will be supporting them like a true fan. Thanks to everyone for everything
Chelsea manager Jose Mourinho has been fined £10,000 for his comments following his side's defeat to Sunderland.
Mourinho appeared to sarcastically praise the officials after Sunderland won 2-1 at Stamford Bridge to end his 77-match unbeaten home league record.
He described referee Mike Dean's performance as "unbelievable", before moving on to referees' chief Mike Riley, saying "what they are doing during the whole season is fantastic, especially in matches involving the teams that were in the title race, it's absolutely fantastic".
The Football Association said Mourinho's comments amounted to disrepute and improper conduct.
It is the third time the Portuguese manager has been fined this season after incidents against Cardiff City and Aston Villa - which left him with a £8,000 fine.
Two days after Chelsea crashed out of the Champions League, Jose Mourinho is still not over the defeat.Read the full story ›
Chelsea coach Rui Faria has been handed a six-match stadium ban following his altercation with officials during Chelsea's defeat to Sunderland last month.
Faria, who had to be restrained by Jose Mourinho after reacting to the decision to award Sunderland a penalty, was fined £30,000 after admitting two charges of misconduct.
"The first breach was that Faria used abusive and/or insulting words towards the fourth official during Chelsea's game against Sunderland on 19 April 2014," an FA statement read.
"The second breach was that his behaviour following the match referee's request that he leave the technical area amounted to improper conduct."
Chelsea received a boost ahead of their Champions League semi-final against Atletico after Petr Cech and John Terry returned to training.
Cech was injured during the first leg of the tie last week and Chelsea manager Jose Mourinho had warned that the goalkeeper could be out for the season.
Terry, Eden Hazard and Samuel Eto'o were also present after recent absences.
Chelsea are hoping to make their second Champions League final in two years when they face the Spanish side at Stamford Bridge on Wednesday night.
Chelsea's Eden Hazard was named winner of the Young Player of the Year award at the PFA Player of the Year Awards last night.
The 23-year-old Belgian, who has scored 17 goals in 45 appearances this season, received the award at the ceremony at the Grosvenor House Hotel in London on Sunday night.
Hazard's award was another boost for Chelsea after their 2-0 win at Liverpool revived their title hopes.