Clubs held discussions this week on how to complete the campaign and hopes of a June restart have been given a boost by the government saying elite sport could return after June 1.
From a daily average of 28, the number shot up to 56 by the middle of this week, Greater Manchester Police said.
Britain fell silent on Thursday as a minute's silence was held across the country to remember the 22 victims of Monday's concert bombing. The silence, which fell at 11 am, also marked the nation's solidarity with the 119 who were injured in the blast at the Manchester Arena following a concert, as well as others affected by the atrocity. Crowds gathered at well-known sites in the UK, including London's Parliament and Trafalgar Square. Here are some touching glimpses...
British PM Theresa May said the threat level in the country will remain at critical and that 1,000 army troops have been deployed to boost security.
The new arrests came as the injured toll doubled from 59 to 119.
Eyewitnesses reported hearing a loud "bang" from inside the venue.