A devastating earthquake of intensity 7.0 on the Richter scale has just struck London, causing widespread damage and panic. Initial reports indicate that hundreds of buildings have collapsed, and there are fears for a high number of casualties. Rescue efforts are already underway, but transport to t

Diplomatic relations have deteriorated/are at a breaking point/are strained between several nations/a pair of key players/two major powerhouses, sparking concerns/fears/an atmosphere of uncertainty about the potential for escalation/conflict/war. The source/cause/origin of this crisis/impasse/disput