disconnected

A month ago I went to start the car and it would only crank, the fuel line had come loose... Ordered and replaced with a genuine item. Today on the motorway it deciding to spit it out again! Before I start tearing up the engine bay what could be the cause(s) of this? It happened just under 4K...

My first question on here, hopefully somebody will be able to help me out. I came out this morning to find the battery on my 182 stone dead. I opened the passenger door with the key and then opened the driver's door from inside the car. I removed the battery and shoved it on charge. I went...