Coalition forces embroiled in a firefight with insurgents in eastern Afghanistan on Saturday had called for assistance, but instead had to race to the crash scene of a downed NATO helicopter carrying their reinforcements, officials said Monday.

Police in London arrested more than 100 people Sunday night and early Monday in connection with violence that has afflicted London neighborhoods following riots in the city’s Tottenham enclave over the weekend.

Police in London arrested more than 100 people Sunday night and early Monday in connection with violence that has afflicted London neighborhoods following riots in the city’s Tottenham enclave over the weekend.