TOPSHOT - Pupils from Eden Girls' School in Walthamstow holds flowers at Potters Fields Park in London on June 5, 2017, during a vigil to commemorate the victims of the terror attack on London Bridge and at Borough Market that killed seven people on June 3. London police made a fresh round of arrests Monday after the country's third terror attack in less than three months as Prime Minister Theresa May came under mounting pressure over security three days ahead of elections. The aftermath of Saturday night's rampage, which left seven dead and dozens wounded, dominated the campaign trail. / AFP PHOTO / DANIEL LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
