Improvised weapons fired near US base in Japan: police

Two improvised rocket launchers were fired near a US military base near Tokyo, police said today, although no-one was hurt and no damage was done.
Suspicions were falling on a small extreme left group, media reported, with the incident coming hours after a senior member was arrested.
"The incident occurred at 11:30 pm yesterday. Flying objects were launched near the US military's Yokota airbase," a spokesman for Tokyo Metropolitan Police said.
"Several reports were made by neighbours that they had heard explosions at about 11:30 pm. Police discovered two steel pipes, two wires, batteries, and so forth.
"No damage has been reported so far and police have not found the projectiles."

Local media reported the pipes were buried in the ground, with the upper end pointing in the direction of Yokota Air Base.

There have been no claims of responsibility, but police believe it may have been a guerrilla attack by extreme leftists, Jiji Press and other media said.
Broadcaster NTV reported police were concentrating their investigations on a hard leftist group because the incident came just hours after they arrested a top-ranking member yesterday.
It named the group as the Revolutionary Labourers' Association Anti-Majority Faction.
A similar incident occurred four years ago, when police raided hideouts of the same leftists, NTV said.

Japan's politics is generally moderate, although there are vestiges of the extreme radicalism on both left and right that abounded in the 1960s and 1970s.
At that time Japan was in the middle of a decades-long period of blistering economic growth as the ruined and largely rural country that emerged from the defeat of World War II rose to become the globe's second largest economy.
One of the most famous groups was the United Red Army, which gained notoriety for its extreme brutality despite its small size.
A linked group, the Japanese Red Army, operated from Lebanon in tandem with Palestinian militias, carrying out notorious terror attacks including a massacre at Israel's Lod airport and hijackings of Japan Airlines planes.

Japan is host to almost 50,000 US service personnel and their families. The two countries have a mutual defence agreement that, in practice, means Tokyo is given shelter under Washington's significant security umbrella.